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- Separating demo out from the Recast folder (osx version only)

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This commit is contained in:
Mikko Mononen 2009-03-29 15:39:02 +00:00
parent ddc9af1d93
commit ec96c8d1ef
52 changed files with 26958 additions and 0 deletions
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>English</string>
<key>CFBundleIdentifier</key>
<string>com.apple.xcode.dsym.Recast.app</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundlePackageType</key>
<string>dSYM</string>
<key>CFBundleSignature</key>
<string>????</string>
<key>CFBundleShortVersionString</key>
<string>1.0</string>
<key>CFBundleVersion</key>
<string>1</string>
<key>dSYM_UUID</key>
<dict>
<key>i386</key>
<string>685875C5-C5AC-A396-AD66-F1786F182F83</string>
<key>ppc</key>
<string>926F8AC2-E6E5-458F-D123-0BF762F1EA7D</string>
</dict>
</dict>
</plist>

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>English</string>
<key>CFBundleExecutable</key>
<string>Recast</string>
<key>CFBundleIdentifier</key>
<string>com.yourcompany.Recast</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>Recast</string>
<key>CFBundlePackageType</key>
<string>APPL</string>
<key>CFBundleSignature</key>
<string>????</string>
<key>CFBundleVersion</key>
<string>1.0</string>
<key>NSMainNibFile</key>
<string>MainMenu</string>
<key>NSPrincipalClass</key>
<string>NSApplication</string>
</dict>
</plist>

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APPL????

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Microsoft Visual Studio Solution File, Format Version 10.00
# Visual C++ Express 2008
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Recast", "Recast.vcproj", "{CEF242C5-E9A3-403B-BAFF-99397BDA5730}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Win32 = Debug|Win32
Release|Win32 = Release|Win32
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{CEF242C5-E9A3-403B-BAFF-99397BDA5730}.Debug|Win32.ActiveCfg = Debug|Win32
{CEF242C5-E9A3-403B-BAFF-99397BDA5730}.Debug|Win32.Build.0 = Debug|Win32
{CEF242C5-E9A3-403B-BAFF-99397BDA5730}.Release|Win32.ActiveCfg = Release|Win32
{CEF242C5-E9A3-403B-BAFF-99397BDA5730}.Release|Win32.Build.0 = Release|Win32
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
EndGlobal

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RecastDemo/Build/VC9/Recast.vcproj Normal file
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<?xml version="1.0" encoding="Windows-1252"?>
<VisualStudioProject
ProjectType="Visual C++"
Version="9,00"
Name="Recast"
ProjectGUID="{CEF242C5-E9A3-403B-BAFF-99397BDA5730}"
RootNamespace="Recast"
Keyword="Win32Proj"
TargetFrameworkVersion="196613"
>
<Platforms>
<Platform
Name="Win32"
/>
</Platforms>
<ToolFiles>
</ToolFiles>
<Configurations>
<Configuration
Name="Debug|Win32"
OutputDirectory="..\..\Examples"
IntermediateDirectory="$(ConfigurationName)"
ConfigurationType="1"
CharacterSet="1"
>
<Tool
Name="VCPreBuildEventTool"
/>
<Tool
Name="VCCustomBuildTool"
/>
<Tool
Name="VCXMLDataGeneratorTool"
/>
<Tool
Name="VCWebServiceProxyGeneratorTool"
/>
<Tool
Name="VCMIDLTool"
/>
<Tool
Name="VCCLCompilerTool"
Optimization="0"
AdditionalIncludeDirectories="..\..\Contrib\SDL\include;..\..\Include;..\..\Examples;$(NOINHERIT)"
PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_CRT_SECURE_NO_WARNINGS"
MinimalRebuild="true"
BasicRuntimeChecks="3"
RuntimeLibrary="3"
UsePrecompiledHeader="0"
WarningLevel="3"
DebugInformationFormat="4"
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<Tool
Name="VCManagedResourceCompilerTool"
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<Tool
Name="VCResourceCompilerTool"
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<Tool
Name="VCPreLinkEventTool"
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="opengl32.lib glu32.lib sdlmain.lib sdl.lib"
LinkIncremental="1"
AdditionalLibraryDirectories="..\..\Contrib\SDL\lib"
GenerateDebugInformation="true"
SubSystem="2"
TargetMachine="1"
/>
<Tool
Name="VCALinkTool"
/>
<Tool
Name="VCManifestTool"
/>
<Tool
Name="VCXDCMakeTool"
/>
<Tool
Name="VCBscMakeTool"
/>
<Tool
Name="VCFxCopTool"
/>
<Tool
Name="VCAppVerifierTool"
/>
<Tool
Name="VCPostBuildEventTool"
/>
</Configuration>
<Configuration
Name="Release|Win32"
OutputDirectory="..\..\Examples"
IntermediateDirectory="$(ConfigurationName)"
ConfigurationType="1"
CharacterSet="1"
WholeProgramOptimization="1"
>
<Tool
Name="VCPreBuildEventTool"
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<Tool
Name="VCCustomBuildTool"
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<Tool
Name="VCXMLDataGeneratorTool"
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<Tool
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<Tool
Name="VCMIDLTool"
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<Tool
Name="VCCLCompilerTool"
Optimization="2"
EnableIntrinsicFunctions="true"
AdditionalIncludeDirectories="..\..\Contrib\SDL\include;..\..\Include;..\..\Examples;$(NOINHERIT)"
PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_CRT_SECURE_NO_WARNINGS"
RuntimeLibrary="2"
EnableFunctionLevelLinking="true"
UsePrecompiledHeader="0"
WarningLevel="3"
DebugInformationFormat="3"
/>
<Tool
Name="VCManagedResourceCompilerTool"
/>
<Tool
Name="VCResourceCompilerTool"
/>
<Tool
Name="VCPreLinkEventTool"
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="opengl32.lib glu32.lib sdlmain.lib sdl.lib"
LinkIncremental="1"
AdditionalLibraryDirectories="..\..\Contrib\SDL\lib"
GenerateDebugInformation="true"
SubSystem="2"
OptimizeReferences="2"
EnableCOMDATFolding="2"
TargetMachine="1"
/>
<Tool
Name="VCALinkTool"
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<Tool
Name="VCManifestTool"
/>
<Tool
Name="VCXDCMakeTool"
/>
<Tool
Name="VCBscMakeTool"
/>
<Tool
Name="VCFxCopTool"
/>
<Tool
Name="VCAppVerifierTool"
/>
<Tool
Name="VCPostBuildEventTool"
/>
</Configuration>
</Configurations>
<References>
</References>
<Files>
<Filter
Name="Source Files"
Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
>
<File
RelativePath="..\..\Examples\demo.cpp"
>
</File>
<File
RelativePath="..\..\Examples\glfont.cpp"
>
</File>
<File
RelativePath="..\..\Examples\imgui.cpp"
>
</File>
<File
RelativePath="..\..\Examples\MeshLoaderObj.cpp"
>
</File>
<File
RelativePath="..\..\Source\Recast.cpp"
>
</File>
<File
RelativePath="..\..\Source\RecastContour.cpp"
>
</File>
<File
RelativePath="..\..\Source\RecastDebugDraw.cpp"
>
</File>
<File
RelativePath="..\..\Source\RecastFilter.cpp"
>
</File>
<File
RelativePath="..\..\Source\RecastLog.cpp"
>
</File>
<File
RelativePath="..\..\Source\RecastMesh.cpp"
>
</File>
<File
RelativePath="..\..\Source\RecastRasterization.cpp"
>
</File>
<File
RelativePath="..\..\Source\RecastRegion.cpp"
>
</File>
<File
RelativePath="..\..\Source\RecastTimer.cpp"
>
</File>
</Filter>
<Filter
Name="Header Files"
Filter="h;hpp;hxx;hm;inl;inc;xsd"
UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
>
<File
RelativePath="..\..\Examples\glfont.h"
>
</File>
<File
RelativePath="..\..\Examples\imgui.h"
>
</File>
<File
RelativePath="..\..\Examples\MeshLoaderObj.h"
>
</File>
<File
RelativePath="..\..\Include\Recast.h"
>
</File>
<File
RelativePath="..\..\Include\RecastDebugDraw.h"
>
</File>
<File
RelativePath="..\..\Include\RecastLog.h"
>
</File>
<File
RelativePath="..\..\Include\RecastTimer.h"
>
</File>
</Filter>
<Filter
Name="Resource Files"
Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav"
UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}"
>
</Filter>
</Files>
<Globals>
</Globals>
</VisualStudioProject>

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>English</string>
<key>CFBundleExecutable</key>
<string>${EXECUTABLE_NAME}</string>
<key>CFBundleIconFile</key>
<string></string>
<key>CFBundleIdentifier</key>
<string>com.yourcompany.${PRODUCT_NAME:identifier}</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>${PRODUCT_NAME}</string>
<key>CFBundlePackageType</key>
<string>APPL</string>
<key>CFBundleSignature</key>
<string>????</string>
<key>CFBundleVersion</key>
<string>1.0</string>
<key>NSMainNibFile</key>
<string>MainMenu</string>
<key>NSPrincipalClass</key>
<string>NSApplication</string>
</dict>
</plist>

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RecastDemo/Build/Xcode/Recast.xcodeproj/memon.pbxuser Normal file
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classes = {
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objectVersion = 45;
objects = {
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RecastDemo/Build/Xcode/build/Recast.build/Release/Recast.build/Recast.hmap Normal file
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//
// Copyright (c) 2009 Mikko Mononen memon@inside.org
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
//
#ifndef MESHLOADER_OBJ
#define MESHLOADER_OBJ
class rcMeshLoaderObj
{
public:
rcMeshLoaderObj();
~rcMeshLoaderObj();
bool load(const char* fileName);
inline const float* getVerts() const { return m_verts; }
inline const float* getNormals() const { return m_normals; }
inline const int* getTris() const { return m_tris; }
inline int getVertCount() const { return m_vertCount; }
inline int getTriCount() const { return m_triCount; }
private:
void addVertex(float x, float y, float z, int& cap);
void addTriangle(int a, int b, int c, int& cap);
float* m_verts;
int* m_tris;
float* m_normals;
int m_vertCount;
int m_triCount;
};
#endif // MESHLOADER_OBJ

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/* SDLMain.m - main entry point for our Cocoa-ized SDL app
Initial Version: Darrell Walisser <dwaliss1@purdue.edu>
Non-NIB-Code & other changes: Max Horn <max@quendi.de>
Feel free to customize this file to suit your needs
*/
#import <Cocoa/Cocoa.h>
@interface SDLMain : NSObject
@end

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//
// Copyright (c) 2009 Mikko Mononen memon@inside.org
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
//
#ifndef GLFONT_H
#define GLFONT_H
class GLFont
{
public:
GLFont(int renderVerts = 4096);
~GLFont();
bool create(const char* fileName);
int getFontSize() const;
int getDescender() const;
int getAscender() const;
float getLineHeight() const;
float getTextLength(const char* text, float size = -1, float tracking = 0);
void drawText(float x, float y, const char* text,
unsigned int col, float size = -1, float tracking = 0);
void render();
void debugDraw();
static unsigned int RGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a = 255);
private:
bool createFontFromFontData(unsigned char* fd);
struct KerningPair
{
inline KerningPair() {}
inline KerningPair(unsigned char c_, float dx_) : dx(dx_), c(c_) {}
inline void Set(unsigned char c_, float dx_) { dx = dx_; c = c_; }
float dx;
unsigned char c, pad[3];
};
struct CachedGlyph
{
inline CachedGlyph() : w(0), h(0), ox(0), oy(0), tx(0), ty(0), adv(0.0f), nkern(0), kern(0) {}
int w, h;
int ox, oy;
int tx, ty;
float adv;
int nkern;
union
{
KerningPair* kern;
int kernOffset;
};
};
struct FontData
{
unsigned int endian;
unsigned int version;
unsigned int dataSize;
unsigned int kernOffset;
unsigned int textureOffset;
int fontSize;
unsigned int texWidth;
unsigned int texHeight;
int numMipmaps;
int ascender;
int descender;
int lineHeight;
int charMin;
int charCount;
CachedGlyph glyphs[1];
};
FontData* m_fd;
unsigned int m_texId;
struct RenderVertex
{
inline void set(float x_, float y_, float u_, float v_, unsigned int c) { x=x_; y=y_; u=u_; v=v_; col=c; }
float x, y, u, v;
unsigned int col;
};
RenderVertex* m_verts;
int m_nverts;
const int m_maxVerts;
};
#endif // GLFONT_H

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//
// Copyright (c) 2009 Mikko Mononen memon@inside.org
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
//
#ifndef IMGUI_H
#define IMGUI_H
#define GENID ((__LINE__) << 16)
#define GENID1(x) ((__LINE__) << 16 | (x))
void imguiBeginFrame();
void imguiEndFrame();
void imguiRender(void (*drawText)(int x, int y, int dir, const char* text, unsigned int col));
bool imguiBeginScrollArea(unsigned int id, const char* name, int x, int y, int w, int h, int* scroll);
void imguiEndScrollArea();
void imguiIndent();
void imguiUnindent();
void imguiSeparator();
bool imguiButton(unsigned int id, const char* text);
bool imguiItem(unsigned int id, const char* text);
bool imguiCheck(unsigned int id, const char* text, bool checked);
bool imguiCollapse(unsigned int id, const char* text, bool checked);
void imguiLabel(unsigned int id, const char* text);
void imguiValue(unsigned int id, const char* text);
bool imguiSlider(unsigned int id, const char* text, float* val, float vmin, float vmax, float vinc);
#endif // IMGUI_H

219
RecastDemo/Source/MeshLoaderObj.cpp Normal file
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//
// Copyright (c) 2009 Mikko Mononen memon@inside.org
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
//
#include "MeshLoaderObj.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define _USE_MATH_DEFINES
#include <math.h>
rcMeshLoaderObj::rcMeshLoaderObj() :
m_verts(0),
m_normals(0),
m_tris(0),
m_vertCount(0),
m_triCount(0)
{
}
rcMeshLoaderObj::~rcMeshLoaderObj()
{
delete [] m_verts;
delete [] m_normals;
delete [] m_tris;
}
void rcMeshLoaderObj::addVertex(float x, float y, float z, int& cap)
{
if (m_vertCount+1 > cap)
{
cap = !cap ? 8 : cap*2;
float* nv = new float[cap*3];
if (m_vertCount)
memcpy(nv, m_verts, m_vertCount*3*sizeof(float));
delete [] m_verts;
m_verts = nv;
}
float* dst = &m_verts[m_vertCount*3];
*dst++ = x;
*dst++ = y;
*dst++ = z;
m_vertCount++;
}
void rcMeshLoaderObj::addTriangle(int a, int b, int c, int& cap)
{
if (m_triCount+1 > cap)
{
cap = !cap ? 8 : cap*2;
int* nv = new int[cap*3];
if (m_triCount)
memcpy(nv, m_tris, m_triCount*3*sizeof(int));
delete [] m_tris;
m_tris = nv;
}
int* dst = &m_tris[m_triCount*3];
*dst++ = a;
*dst++ = b;
*dst++ = c;
m_triCount++;
}
static char* parseRow(char* buf, char* bufEnd, char* row, int len)
{
bool cont = false;
bool start = true;
bool done = false;
int n = 0;
while (!done && buf < bufEnd)
{
char c = *buf;
buf++;
// multirow
switch (c)
{
case '\\':
cont = true; // multirow
break;
case '\n':
if (start) break;
done = true;
break;
case '\r':
break;
case '\t':
case ' ':
if (start) break;
default:
start = false;
cont = false;
row[n++] = c;
if (n >= len-1)
done = true;
break;
}
}
row[n] = '\0';
return buf;
}
static int parseFace(char* row, int* data, int n, int vcnt)
{
int j = 0;
while (*row != '\0')
{
// Skip initial white space
while (*row != '\0' && (*row == ' ' || *row == '\t'))
row++;
char* s = row;
// Find vertex delimiter and terminated the string there for conversion.
while (*row != '\0' && *row != ' ' && *row != '\t')
{
if (*row == '/') *row = '\0';
row++;
}
if (*s == '\0')
continue;
int vi = atoi(s);
data[j++] = vi < 0 ? vi+vcnt : vi-1;
if (j >= n) return j;
}
return j;
}
bool rcMeshLoaderObj::load(const char* filename)
{
char* buf = 0;
FILE* fp = fopen(filename, "rb");
if (!fp)
return false;
fseek(fp, 0, SEEK_END);
int bufSize = ftell(fp);
fseek(fp, 0, SEEK_SET);
buf = new char[bufSize];
if (!buf)
{
fclose(fp);
return false;
}
fread(buf, bufSize, 1, fp);
fclose(fp);
char* src = buf;
char* srcEnd = buf + bufSize;
char row[512];
int face[32];
float x,y,z;
int nv;
int vcap = 0;
int tcap = 0;
while (src < srcEnd)
{
// Parse one row
row[0] = '\0';
src = parseRow(src, srcEnd, row, sizeof(row)/sizeof(char));
// Skip comments
if (row[0] == '#') continue;
if (row[0] == 'v' && row[1] != 'n' && row[1] != 't')
{
// Vertex pos
sscanf(row+1, "%f %f %f", &x, &y, &z);
addVertex(x, y, z, vcap);
}
if (row[0] == 'f')
{
// Faces
nv = parseFace(row+1, face, 32, m_vertCount);
for (int i = 2; i < nv; ++i)
addTriangle(face[0], face[i-1], face[i], tcap);
}
}
delete [] buf;
// Calculate normals.
m_normals = new float[m_triCount*3];
for (int i = 0; i < m_triCount*3; i += 3)
{
const float* v0 = &m_verts[m_tris[i]*3];
const float* v1 = &m_verts[m_tris[i+1]*3];
const float* v2 = &m_verts[m_tris[i+2]*3];
float e0[3], e1[3];
for (int j = 0; j < 3; ++j)
{
e0[j] = v1[j] - v0[j];
e1[j] = v2[j] - v0[j];
}
float* n = &m_normals[i];
n[0] = e0[1]*e1[2] - e0[2]*e1[1];
n[1] = e0[2]*e1[0] - e0[0]*e1[2];
n[2] = e0[0]*e1[1] - e0[1]*e1[0];
float d = sqrtf(n[0]*n[0] + n[1]*n[1] + n[2]*n[2]);
if (d > 0)
{
d = 1.0f/d;
n[0] *= d;
n[1] *= d;
n[2] *= d;
}
}
return true;
}

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/* SDLMain.m - main entry point for our Cocoa-ized SDL app
Initial Version: Darrell Walisser <dwaliss1@purdue.edu>
Non-NIB-Code & other changes: Max Horn <max@quendi.de>
Feel free to customize this file to suit your needs
*/
#import "SDL.h"
#import "SDLMain.h"
#import <sys/param.h> /* for MAXPATHLEN */
#import <unistd.h>
/* For some reaon, Apple removed setAppleMenu from the headers in 10.4,
but the method still is there and works. To avoid warnings, we declare
it ourselves here. */
@interface NSApplication(SDL_Missing_Methods)
- (void)setAppleMenu:(NSMenu *)menu;
@end
/* Use this flag to determine whether we use SDLMain.nib or not */
#define SDL_USE_NIB_FILE 0
/* Use this flag to determine whether we use CPS (docking) or not */
#define SDL_USE_CPS 1
#ifdef SDL_USE_CPS
/* Portions of CPS.h */
typedef struct CPSProcessSerNum
{
UInt32 lo;
UInt32 hi;
} CPSProcessSerNum;
extern OSErr CPSGetCurrentProcess( CPSProcessSerNum *psn);
extern OSErr CPSEnableForegroundOperation( CPSProcessSerNum *psn, UInt32 _arg2, UInt32 _arg3, UInt32 _arg4, UInt32 _arg5);
extern OSErr CPSSetFrontProcess( CPSProcessSerNum *psn);
#endif /* SDL_USE_CPS */
static int gArgc;
static char **gArgv;
static BOOL gFinderLaunch;
static BOOL gCalledAppMainline = FALSE;
static NSString *getApplicationName(void)
{
NSDictionary *dict;
NSString *appName = 0;
/* Determine the application name */
dict = (NSDictionary *)CFBundleGetInfoDictionary(CFBundleGetMainBundle());
if (dict)
appName = [dict objectForKey: @"CFBundleName"];
if (![appName length])
appName = [[NSProcessInfo processInfo] processName];
return appName;
}
#if SDL_USE_NIB_FILE
/* A helper category for NSString */
@interface NSString (ReplaceSubString)
- (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString;
@end
#endif
@interface SDLApplication : NSApplication
@end
@implementation SDLApplication
/* Invoked from the Quit menu item */
- (void)terminate:(id)sender
{
/* Post a SDL_QUIT event */
SDL_Event event;
event.type = SDL_QUIT;
SDL_PushEvent(&event);
}
@end
/* The main class of the application, the application's delegate */
@implementation SDLMain
/* Set the working directory to the .app's parent directory */
- (void) setupWorkingDirectory:(BOOL)shouldChdir
{
if (shouldChdir)
{
char parentdir[MAXPATHLEN];
CFURLRef url = CFBundleCopyBundleURL(CFBundleGetMainBundle());
CFURLRef url2 = CFURLCreateCopyDeletingLastPathComponent(0, url);
if (CFURLGetFileSystemRepresentation(url2, true, (UInt8 *)parentdir, MAXPATHLEN)) {
assert ( chdir (parentdir) == 0 ); /* chdir to the binary app's parent */
}
CFRelease(url);
CFRelease(url2);
}
}
#if SDL_USE_NIB_FILE
/* Fix menu to contain the real app name instead of "SDL App" */
- (void)fixMenu:(NSMenu *)aMenu withAppName:(NSString *)appName
{
NSRange aRange;
NSEnumerator *enumerator;
NSMenuItem *menuItem;
aRange = [[aMenu title] rangeOfString:@"SDL App"];
if (aRange.length != 0)
[aMenu setTitle: [[aMenu title] stringByReplacingRange:aRange with:appName]];
enumerator = [[aMenu itemArray] objectEnumerator];
while ((menuItem = [enumerator nextObject]))
{
aRange = [[menuItem title] rangeOfString:@"SDL App"];
if (aRange.length != 0)
[menuItem setTitle: [[menuItem title] stringByReplacingRange:aRange with:appName]];
if ([menuItem hasSubmenu])
[self fixMenu:[menuItem submenu] withAppName:appName];
}
[ aMenu sizeToFit ];
}
#else
static void setApplicationMenu(void)
{
/* warning: this code is very odd */
NSMenu *appleMenu;
NSMenuItem *menuItem;
NSString *title;
NSString *appName;
appName = getApplicationName();
appleMenu = [[NSMenu alloc] initWithTitle:@""];
/* Add menu items */
title = [@"About " stringByAppendingString:appName];
[appleMenu addItemWithTitle:title action:@selector(orderFrontStandardAboutPanel:) keyEquivalent:@""];
[appleMenu addItem:[NSMenuItem separatorItem]];
title = [@"Hide " stringByAppendingString:appName];
[appleMenu addItemWithTitle:title action:@selector(hide:) keyEquivalent:@"h"];
menuItem = (NSMenuItem *)[appleMenu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"];
[menuItem setKeyEquivalentModifierMask:(NSAlternateKeyMask|NSCommandKeyMask)];
[appleMenu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""];
[appleMenu addItem:[NSMenuItem separatorItem]];
title = [@"Quit " stringByAppendingString:appName];
[appleMenu addItemWithTitle:title action:@selector(terminate:) keyEquivalent:@"q"];
/* Put menu into the menubar */
menuItem = [[NSMenuItem alloc] initWithTitle:@"" action:nil keyEquivalent:@""];
[menuItem setSubmenu:appleMenu];
[[NSApp mainMenu] addItem:menuItem];
/* Tell the application object that this is now the application menu */
[NSApp setAppleMenu:appleMenu];
/* Finally give up our references to the objects */
[appleMenu release];
[menuItem release];
}
/* Create a window menu */
static void setupWindowMenu(void)
{
NSMenu *windowMenu;
NSMenuItem *windowMenuItem;
NSMenuItem *menuItem;
windowMenu = [[NSMenu alloc] initWithTitle:@"Window"];
/* "Minimize" item */
menuItem = [[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"];
[windowMenu addItem:menuItem];
[menuItem release];
/* Put menu into the menubar */
windowMenuItem = [[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""];
[windowMenuItem setSubmenu:windowMenu];
[[NSApp mainMenu] addItem:windowMenuItem];
/* Tell the application object that this is now the window menu */
[NSApp setWindowsMenu:windowMenu];
/* Finally give up our references to the objects */
[windowMenu release];
[windowMenuItem release];
}
/* Replacement for NSApplicationMain */
static void CustomApplicationMain (int argc, char **argv)
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
SDLMain *sdlMain;
/* Ensure the application object is initialised */
[SDLApplication sharedApplication];
#ifdef SDL_USE_CPS
{
CPSProcessSerNum PSN;
/* Tell the dock about us */
if (!CPSGetCurrentProcess(&PSN))
if (!CPSEnableForegroundOperation(&PSN,0x03,0x3C,0x2C,0x1103))
if (!CPSSetFrontProcess(&PSN))
[SDLApplication sharedApplication];
}
#endif /* SDL_USE_CPS */
/* Set up the menubar */
[NSApp setMainMenu:[[NSMenu alloc] init]];
setApplicationMenu();
setupWindowMenu();
/* Create SDLMain and make it the app delegate */
sdlMain = [[SDLMain alloc] init];
[NSApp setDelegate:sdlMain];
/* Start the main event loop */
[NSApp run];
[sdlMain release];
[pool release];
}
#endif
/*
* Catch document open requests...this lets us notice files when the app
* was launched by double-clicking a document, or when a document was
* dragged/dropped on the app's icon. You need to have a
* CFBundleDocumentsType section in your Info.plist to get this message,
* apparently.
*
* Files are added to gArgv, so to the app, they'll look like command line
* arguments. Previously, apps launched from the finder had nothing but
* an argv[0].
*
* This message may be received multiple times to open several docs on launch.
*
* This message is ignored once the app's mainline has been called.
*/
- (BOOL)application:(NSApplication *)theApplication openFile:(NSString *)filename
{
const char *temparg;
size_t arglen;
char *arg;
char **newargv;
if (!gFinderLaunch) /* MacOS is passing command line args. */
return FALSE;
if (gCalledAppMainline) /* app has started, ignore this document. */
return FALSE;
temparg = [filename UTF8String];
arglen = SDL_strlen(temparg) + 1;
arg = (char *) SDL_malloc(arglen);
if (arg == NULL)
return FALSE;
newargv = (char **) realloc(gArgv, sizeof (char *) * (gArgc + 2));
if (newargv == NULL)
{
SDL_free(arg);
return FALSE;
}
gArgv = newargv;
SDL_strlcpy(arg, temparg, arglen);
gArgv[gArgc++] = arg;
gArgv[gArgc] = NULL;
return TRUE;
}
/* Called when the internal event loop has just started running */
- (void) applicationDidFinishLaunching: (NSNotification *) note
{
int status;
/* Set the working directory to the .app's parent directory */
[self setupWorkingDirectory:gFinderLaunch];
#if SDL_USE_NIB_FILE
/* Set the main menu to contain the real app name instead of "SDL App" */
[self fixMenu:[NSApp mainMenu] withAppName:getApplicationName()];
#endif
/* Hand off to main application code */
gCalledAppMainline = TRUE;
status = SDL_main (gArgc, gArgv);
/* We're done, thank you for playing */
exit(status);
}
@end
@implementation NSString (ReplaceSubString)
- (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString
{
unsigned int bufferSize;
unsigned int selfLen = [self length];
unsigned int aStringLen = [aString length];
unichar *buffer;
NSRange localRange;
NSString *result;
bufferSize = selfLen + aStringLen - aRange.length;
buffer = NSAllocateMemoryPages(bufferSize*sizeof(unichar));
/* Get first part into buffer */
localRange.location = 0;
localRange.length = aRange.location;
[self getCharacters:buffer range:localRange];
/* Get middle part into buffer */
localRange.location = 0;
localRange.length = aStringLen;
[aString getCharacters:(buffer+aRange.location) range:localRange];
/* Get last part into buffer */
localRange.location = aRange.location + aRange.length;
localRange.length = selfLen - localRange.location;
[self getCharacters:(buffer+aRange.location+aStringLen) range:localRange];
/* Build output string */
result = [NSString stringWithCharacters:buffer length:bufferSize];
NSDeallocateMemoryPages(buffer, bufferSize);
return result;
}
@end
#ifdef main
# undef main
#endif
/* Main entry point to executable - should *not* be SDL_main! */
int main (int argc, char **argv)
{
/* Copy the arguments into a global variable */
/* This is passed if we are launched by double-clicking */
if ( argc >= 2 && strncmp (argv[1], "-psn", 4) == 0 ) {
gArgv = (char **) SDL_malloc(sizeof (char *) * 2);
gArgv[0] = argv[0];
gArgv[1] = NULL;
gArgc = 1;
gFinderLaunch = YES;
} else {
int i;
gArgc = argc;
gArgv = (char **) SDL_malloc(sizeof (char *) * (argc+1));
for (i = 0; i <= argc; i++)
gArgv[i] = argv[i];
gFinderLaunch = NO;
}
#if SDL_USE_NIB_FILE
[SDLApplication poseAsClass:[NSApplication class]];
NSApplicationMain (argc, argv);
#else
CustomApplicationMain (argc, argv);
#endif
return 0;
}

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//
// Copyright (c) 2009 Mikko Mononen memon@inside.org
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
//
#include <stdio.h>
#include <stdlib.h>
#define _USE_MATH_DEFINES
#include <math.h>
#include <float.h>
#ifdef WIN32
# include <io.h>
#else
# include <dirent.h>
#endif
#include "SDL.h"
#include "SDL_Opengl.h"
#include "GLFont.h"
#include "RecastTimer.h"
#include "MeshLoaderObj.h"
#include "Recast.h"
#include "RecastLog.h"
#include "RecastDebugDraw.h"
#include "imgui.h"
#ifdef WIN32
# define snprintf _snprintf
#endif
bool intersectSegmentTriangle(const float* sp, const float* sq,
const float* a, const float* b, const float* c,
float &t)
{
float v, w;
float ab[3], ac[3], qp[3], ap[3], norm[3], e[3];
vsub(ab, b, a);
vsub(ac, c, a);
vsub(qp, sp, sq);
// Compute triangle normal. Can be precalculated or cached if
// intersecting multiple segments against the same triangle
vcross(norm, ab, ac);
// Compute denominator d. If d <= 0, segment is parallel to or points
// away from triangle, so exit early
float d = vdot(qp, norm);
if (d <= 0.0f) return false;
// Compute intersection t value of pq with plane of triangle. A ray
// intersects iff 0 <= t. Segment intersects iff 0 <= t <= 1. Delay
// dividing by d until intersection has been found to pierce triangle
vsub(ap, sp, a);
t = vdot(ap, norm);
if (t < 0.0f) return false;
if (t > d) return false; // For segment; exclude this code line for a ray test
// Compute barycentric coordinate components and test if within bounds
vcross(e, qp, ap);
v = vdot(ac, e);
if (v < 0.0f || v > d) return false;
w = -vdot(ab, e);
if (w < 0.0f || v + w > d) return false;
// Segment/ray intersects triangle. Perform delayed division
t /= d;
return true;
}
static bool raycast(rcMeshLoaderObj& mesh, float* src, float* dst, float& tmin)
{
float dir[3];
vsub(dir, dst, src);
int nt = mesh.getTriCount();
const float* verts = mesh.getVerts();
const float* normals = mesh.getNormals();
const int* tris = mesh.getTris();
tmin = 1.0f;
bool hit = false;
for (int i = 0; i < nt*3; i += 3)
{
const float* n = &normals[i];
if (vdot(dir, n) > 0)
continue;
float t = 1;
if (intersectSegmentTriangle(src, dst,
&verts[tris[i]*3],
&verts[tris[i+1]*3],
&verts[tris[i+2]*3], t))
{
if (t < tmin)
tmin = t;
hit = true;
}
}
return hit;
}
struct FileList
{
static const int MAX_FILES = 256;
inline FileList() : size(0) {}
inline ~FileList()
{
clear();
}
void clear()
{
for (int i = 0; i < size; ++i)
delete [] files[i];
size = 0;
}
void add(const char* path)
{
if (size >= MAX_FILES)
return;
int n = strlen(path);
files[size] = new char[n+1];
strcpy(files[size], path);
size++;
}
char* files[MAX_FILES];
int size;
};
void scanDirectory(const char* path, const char* ext, FileList& list)
{
list.clear();
#ifdef WIN32
_finddata_t dir;
char pathWithExt[MAX_PATH];
long fh;
strcpy(pathWithExt, path);
strcat(pathWithExt, "/*");
strcat(pathWithExt, ext);
fh = _findfirst(pathWithExt, &dir);
if (fh == -1L)
return;
do
{
list.add(dir.name);
}
while (_findnext(fh, &dir) == 0);
_findclose(fh);
#else
dirent* current = 0;
DIR* dp = opendir(path);
if (!dp)
return;
while ((current = readdir(dp)) != 0)
{
int len = strlen(current->d_name);
if (len > 4 && strncmp(current->d_name+len-4, ext, 4) == 0)
{
list.add(current->d_name);
}
}
closedir(dp);
#endif
}
enum DrawMode
{
DRAWMODE_POLYMESH,
DRAWMODE_POLYMESH_TRANS,
DRAWMODE_MESH,
DRAWMODE_VOXELS,
DRAWMODE_VOXELS_WALKABLE,
DRAWMODE_COMPACT,
DRAWMODE_COMPACT_DISTANCE,
DRAWMODE_COMPACT_REGIONS,
DRAWMODE_RAW_CONTOURS,
DRAWMODE_CONTOURS,
MAX_DRAWMODE,
};
GLFont g_font;
void drawText(int x, int y, int dir, const char* text, unsigned int col)
{
if (dir < 0)
g_font.drawText((float)x - g_font.getTextLength(text), (float)y, text, col);
else
g_font.drawText((float)x, (float)y, text, col);
}
rcMeshLoaderObj* g_mesh = 0;
unsigned char* g_triangleFlags = 0;
rcHeightfield* g_solid = 0;
rcCompactHeightfield* g_chf = 0;
rcContourSet* g_cset = 0;
rcPolyMesh* g_polyMesh = 0;
rcConfig g_cfg;
rcLog g_log;
static bool buildNavigation()
{
delete g_solid;
delete g_chf;
delete g_cset;
delete g_polyMesh;
delete [] g_triangleFlags;
g_solid = 0;
g_chf = 0;
g_cset = 0;
g_polyMesh = 0;
g_triangleFlags = 0;
g_log.clear();
rcSetLog(&g_log);
if (!g_mesh)
{
g_log.log(RC_LOG_ERROR, "Input mesh is not valid.");
return false;
}
rcTimeVal startTime = rcGetPerformanceTimer();
rcCalcBounds(g_mesh->getVerts(), g_mesh->getVertCount(), g_cfg.bmin, g_cfg.bmax);
rcCalcGridSize(g_cfg.bmin, g_cfg.bmax, g_cfg.cs, &g_cfg.width, &g_cfg.height);
g_log.log(RC_LOG_PROGRESS, "Building navigation");
g_log.log(RC_LOG_PROGRESS, " - %d x %d", g_cfg.width, g_cfg.height);
g_log.log(RC_LOG_PROGRESS, " - %d verts, %d tris", g_mesh->getVertCount(), g_mesh->getTriCount());
g_triangleFlags = new unsigned char[g_mesh->getTriCount()];
memset(g_triangleFlags, 0, g_mesh->getTriCount());
rcMarkWalkableTriangles(g_cfg.walkableSlopeAngle,
g_mesh->getTris(), g_mesh->getNormals(), g_mesh->getTriCount(),
g_triangleFlags);
g_solid = new rcHeightfield;
g_chf = new rcCompactHeightfield;
g_cset = new rcContourSet;
g_polyMesh = new rcPolyMesh;
if (!rcBuildNavMesh(g_cfg, g_mesh->getVerts(), g_mesh->getVertCount(),
g_mesh->getTris(), g_triangleFlags, g_mesh->getTriCount(),
*g_solid, *g_chf, *g_cset, *g_polyMesh))
{
g_log.log(RC_LOG_ERROR, "Could not build navmesh.");
return false;
}
rcTimeVal endTime = rcGetPerformanceTimer();
g_log.log(RC_LOG_PROGRESS, "Build time: %.1f ms", rcGetDeltaTimeUsec(startTime, endTime)/1000.0f);
g_log.log(RC_LOG_PROGRESS, "NavMesh");
g_log.log(RC_LOG_PROGRESS, " - %d verts, %d polys", g_polyMesh->nverts, g_polyMesh->npolys);
const int navMeshDataSize = g_polyMesh->nverts*3*sizeof(unsigned short) +
g_polyMesh->npolys*g_polyMesh->nvp*2*sizeof(unsigned short);
g_log.log(RC_LOG_PROGRESS, " - Approx data size %.1f kB", (float)navMeshDataSize/1024.f);
for (int i = 0; i < g_log.getMessageCount(); ++i)
{
printf("%s\n", g_log.getMessageText(i));
}
return true;
}
int main(int argc, char *argv[])
{
// Init SDL
if (SDL_Init(SDL_INIT_EVERYTHING) != 0)
{
printf("Could not initialise SDL\n");
return -1;
}
// Init OpenGL
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 32);
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
int width = 1200;
int height = 700;
SDL_Surface* screen = SDL_SetVideoMode(width, height, 0, SDL_OPENGL);
if (!screen)
{
printf("Could not initialise SDL opengl\n");
return -1;
}
SDL_WM_SetCaption("Recast Demo", 0);
if(!g_font.create("font.cfnt"))
{
printf("Could not load font\n");
SDL_Quit();
return -1;
}
float cellSize = 0.3f;
float cellHeight = 0.2f;
float agentHeight = 2.0f;
float agentRadius = 0.3f;
float agentMaxClimb = 0.9f;
float agentMaxSlope = 45.0f;
float regionMinSize = 50;
float regionMergeSize = 20;
float edgeMaxLen = 12.0f;
float edgeMaxError = 1.5f;
float vertsPerPoly = 6.0f;
int drawMode = DRAWMODE_POLYMESH;
bool showLevels = false;
bool showLog = false;
char curLevel[256] = "Choose Level...";
bool mouseOverMenu = false;
FileList fileList;
float t = 0.0f;
Uint32 lastTime = SDL_GetTicks();
int mx = 0, my = 0;
float rx = 45;
float ry = -45;
float moveW = 0, moveS = 0, moveA = 0, moveD = 0;
float camx = 0, camy = 0, camz = 0, camr=10;
float origrx, origry;
int origx, origy;
bool rotate = false;
float rays[3], raye[3];
float spos[3] = {0,0,0};
glEnable(GL_CULL_FACE);
float fogCol[4] = { 0.1f,0.12f,0.14f,1 };
glEnable(GL_FOG);
glFogi(GL_FOG_MODE, GL_LINEAR);
glFogf(GL_FOG_START, 0);
glFogf(GL_FOG_END, 10);
glFogfv(GL_FOG_COLOR, fogCol);
bool done = false;
while(!done)
{
// Handle input events.
SDL_Event event;
while(SDL_PollEvent(&event))
{
switch(event.type)
{
case SDL_KEYDOWN:
// Handle any key presses here.
if(event.key.keysym.sym == SDLK_ESCAPE)
{
done = true;
}
break;
case SDL_MOUSEBUTTONDOWN:
// Handle mouse clicks here.
if (!mouseOverMenu)
{
if (event.button.button == SDL_BUTTON_LEFT)
{
// Rotate view
rotate = true;
origx = mx;
origy = my;
origrx = rx;
origry = ry;
}
else if (event.button.button == SDL_BUTTON_RIGHT)
{
// Hit test mesh.
if (g_mesh)
{
float t;
if (raycast(*g_mesh, rays, raye, t))
{
spos[0] = rays[0] + (raye[0] - rays[0])*t;
spos[1] = rays[1] + (raye[1] - rays[1])*t;
spos[2] = rays[2] + (raye[2] - rays[2])*t;
}
}
}
}
break;
case SDL_MOUSEBUTTONUP:
// Handle mouse clicks here.
if(event.button.button == SDL_BUTTON_LEFT)
{
rotate = false;
}
break;
case SDL_MOUSEMOTION:
mx = event.motion.x;
my = height - 1 - event.motion.y;
if (rotate)
{
int dx = mx - origx;
int dy = my - origy;
rx = origrx - dy*0.25f;
ry = origry + dx*0.25f;
}
break;
case SDL_QUIT:
done = true;
break;
default:
break;
}
}
Uint32 time = SDL_GetTicks();
float dt = (time - lastTime) / 1000.0f;
lastTime = time;
t += dt;
// Update and render
glViewport(0, 0, width, height);
glClearColor(0.3f, 0.3f, 0.32f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDisable(GL_TEXTURE_2D);
// Render 3d
glEnable(GL_DEPTH_TEST);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(50.0f, (float)width/(float)height, 1.0f, camr);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glRotatef(rx,1,0,0);
glRotatef(ry,0,1,0);
glTranslatef(-camx, -camy, -camz);
// Get hit ray position and direction.
GLdouble proj[16];
GLdouble model[16];
GLint view[4];
glGetDoublev(GL_PROJECTION_MATRIX, proj);
glGetDoublev(GL_MODELVIEW_MATRIX, model);
glGetIntegerv(GL_VIEWPORT, view);
GLdouble x, y, z;
gluUnProject(mx, my, 0.0f, model, proj, view, &x, &y, &z);
rays[0] = (float)x; rays[1] = (float)y; rays[2] = (float)z;
gluUnProject(mx, my, 1.0f, model, proj, view, &x, &y, &z);
raye[0] = (float)x; raye[1] = (float)y; raye[2] = (float)z;
// Handle keyboard movement.
Uint8* keystate = SDL_GetKeyState(NULL);
moveW = rcClamp(moveW + dt * 4 * (keystate[SDLK_w] ? 1 : -1), 0.0f, 1.0f);
moveS = rcClamp(moveS + dt * 4 * (keystate[SDLK_s] ? 1 : -1), 0.0f, 1.0f);
moveA = rcClamp(moveA + dt * 4 * (keystate[SDLK_a] ? 1 : -1), 0.0f, 1.0f);
moveD = rcClamp(moveD + dt * 4 * (keystate[SDLK_d] ? 1 : -1), 0.0f, 1.0f);
float keybSpeed = 22.0f;
if (SDL_GetModState() & KMOD_SHIFT)
keybSpeed *= 4.0f;
float movex = (moveD - moveA) * keybSpeed * dt;
float movey = (moveS - moveW) * keybSpeed * dt;
camx += movex * (float)model[0];
camy += movex * (float)model[4];
camz += movex * (float)model[8];
camx += movey * (float)model[2];
camy += movey * (float)model[6];
camz += movey * (float)model[10];
glEnable(GL_FOG);
if (drawMode == DRAWMODE_MESH)
{
if (g_mesh)
rcDebugDrawMesh(*g_mesh, g_triangleFlags);
}
else if (drawMode != DRAWMODE_POLYMESH_TRANS)
{
if (g_mesh)
rcDebugDrawMesh(*g_mesh, 0);
}
glDepthMask(GL_FALSE);
if (drawMode == DRAWMODE_POLYMESH || drawMode == DRAWMODE_POLYMESH_TRANS)
{
if (g_polyMesh)
rcDebugDrawPolyMesh(*g_polyMesh, g_cfg.bmin, g_cfg.cs, g_cfg.ch);
}
glDepthMask(GL_TRUE);
if (drawMode == DRAWMODE_COMPACT)
{
if (g_chf)
rcDebugDrawCompactHeightfieldSolid(*g_chf);
}
if (drawMode == DRAWMODE_COMPACT_DISTANCE)
{
if (g_chf)
rcDebugDrawCompactHeightfieldDistance(*g_chf);
}
if (drawMode == DRAWMODE_COMPACT_REGIONS)
{
if (g_chf)
rcDebugDrawCompactHeightfieldRegions(*g_chf);
}
if (drawMode == DRAWMODE_VOXELS)
{
if (g_solid)
rcDebugDrawHeightfieldSolid(*g_solid, g_cfg.bmin, g_cfg.cs, g_cfg.ch);
}
if (drawMode == DRAWMODE_VOXELS_WALKABLE)
{
if (g_solid)
rcDebugDrawHeightfieldWalkable(*g_solid, g_cfg.bmin, g_cfg.cs, g_cfg.ch);
}
if (drawMode == DRAWMODE_RAW_CONTOURS)
{
if (g_cset)
rcDebugDrawRawContours(*g_cset, g_cfg.bmin, g_cfg.cs, g_cfg.ch);
}
if (drawMode == DRAWMODE_CONTOURS)
{
if (g_cset)
rcDebugDrawContours(*g_cset, g_cfg.bmin, g_cfg.cs, g_cfg.ch);
}
glDisable(GL_FOG);
if (g_mesh)
{
// Agent dimensions.
const float r = agentRadius;
const float h = agentHeight;
float col[4];
col[0] = 0.6f; col[1] = 0.1f; col[2] = 0.1f; col[3] = 0.75f;
rcDebugDrawCylinderWire(spos[0]-r, spos[1]+0.02f, spos[2]-r, spos[0]+r, spos[1]+h, spos[2]+r, col);
glColor4ub(0,0,0,196);
glBegin(GL_LINES);
glVertex3f(spos[0], spos[1]-agentMaxClimb, spos[2]);
glVertex3f(spos[0], spos[1]+agentMaxClimb, spos[2]);
glVertex3f(spos[0]-r/2, spos[1]+0.02f, spos[2]);
glVertex3f(spos[0]+r/2, spos[1]+0.02f, spos[2]);
glVertex3f(spos[0], spos[1]+0.02f, spos[2]-r/2);
glVertex3f(spos[0], spos[1]+0.02f, spos[2]+r/2);
glEnd();
// Mesh bbox.
col[0] = 1.0f; col[1] = 1.0f; col[2] = 1.0f; col[3] = 0.25f;
rcDebugDrawBoxWire(g_cfg.bmin[0], g_cfg.bmin[1], g_cfg.bmin[2],
g_cfg.bmax[0], g_cfg.bmax[1], g_cfg.bmax[2], col);
}
// Render GUI
glDisable(GL_DEPTH_TEST);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(0, width, 0, height);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
imguiBeginFrame();
mouseOverMenu = false;
static int propScroll = 0;
if (imguiBeginScrollArea(GENID, "Properties", width - 250 - 10, 10, 250, height-20, &propScroll))
mouseOverMenu = true;
if (imguiButton(GENID, curLevel))
{
showLevels = true;
scanDirectory("meshes", ".obj", fileList);
}
imguiSeparator();
if (g_mesh)
{
if (imguiButton(GENID, "Build"))
{
memset(&g_cfg, 0, sizeof(g_cfg));
g_cfg.cs = cellSize;
g_cfg.ch = cellHeight;
g_cfg.walkableSlopeAngle = agentMaxSlope;
g_cfg.walkableHeight = (int)ceilf(agentHeight / g_cfg.ch);
g_cfg.walkableClimb = (int)ceilf(agentMaxClimb / g_cfg.ch);
g_cfg.walkableRadius = (int)ceilf(agentRadius / g_cfg.cs);
g_cfg.maxEdgeLen = (int)(edgeMaxLen / cellSize);
g_cfg.maxSimplificationError = edgeMaxError;
g_cfg.minRegionSize = (int)rcSqr(regionMinSize);
g_cfg.mergeRegionSize = (int)rcSqr(regionMergeSize);
g_cfg.maxVertsPerPoly = (int)vertsPerPoly;
buildNavigation();
}
}
imguiSeparator();
if (imguiCheck(GENID, "Show Log", showLog))
showLog = !showLog;
imguiSeparator();
imguiLabel(GENID, "Rasterization");
imguiSlider(GENID, "Cell Size", &cellSize, 0.1f, 1.0f, 0.01f);
imguiSlider(GENID, "Cell Height", &cellHeight, 0.1f, 1.0f, 0.01f);
if (g_mesh)
{
int gw = 0, gh = 0;
rcCalcGridSize(g_cfg.bmin, g_cfg.bmax, cellSize, &gw, &gh);
char text[64];
snprintf(text, 64, "Grid %d x %d", gw, gh);
imguiValue(GENID, text);
}
imguiSeparator();
imguiLabel(GENID, "Agent");
imguiSlider(GENID, "Height", &agentHeight, 0.1f, 5.0f, 0.1f);
imguiSlider(GENID, "Ragius", &agentRadius, 0.1f, 5.0f, 0.1f);
imguiSlider(GENID, "Max Climb", &agentMaxClimb, 0.1f, 5.0f, 0.1f);
imguiSlider(GENID, "Max Slope", &agentMaxSlope, 0.0f, 90.0f, 1.0f);
imguiSeparator();
imguiLabel(GENID, "Region");
imguiSlider(GENID, "Min Region Size", &regionMinSize, 0.0f, 150.0f, 1.0f);
imguiSlider(GENID, "Merged Region Size", &regionMergeSize, 0.0f, 150.0f, 1.0f);
imguiSeparator();
imguiLabel(GENID, "Polygonization");
imguiSlider(GENID, "Max Edge Length", &edgeMaxLen, 0.0f, 50.0f, 1.0f);
imguiSlider(GENID, "Max Edge Error", &edgeMaxError, 0.1f, 3.0f, 0.1f);
imguiSlider(GENID, "Verts Per Poly", &vertsPerPoly, 3.0f, 12.0f, 1.0f);
imguiSeparator();
imguiLabel(GENID, "Draw");
if (imguiCheck(GENID, "Input Mesh", drawMode == DRAWMODE_MESH))
drawMode = DRAWMODE_MESH;
if (imguiCheck(GENID, "Navmesh", drawMode == DRAWMODE_POLYMESH))
drawMode = DRAWMODE_POLYMESH;
if (imguiCheck(GENID, "Navmesh Trans", drawMode == DRAWMODE_POLYMESH_TRANS))
drawMode = DRAWMODE_POLYMESH_TRANS;
if (imguiCheck(GENID, "Voxels", drawMode == DRAWMODE_VOXELS))
drawMode = DRAWMODE_VOXELS;
if (imguiCheck(GENID, "Walkable Voxels", drawMode == DRAWMODE_VOXELS_WALKABLE))
drawMode = DRAWMODE_VOXELS_WALKABLE;
if (imguiCheck(GENID, "Compact", drawMode == DRAWMODE_COMPACT))
drawMode = DRAWMODE_COMPACT;
if (imguiCheck(GENID, "Compact Distance", drawMode == DRAWMODE_COMPACT_DISTANCE))
drawMode = DRAWMODE_COMPACT_DISTANCE;
if (imguiCheck(GENID, "Compact Regions", drawMode == DRAWMODE_COMPACT_REGIONS))
drawMode = DRAWMODE_COMPACT_REGIONS;
if (imguiCheck(GENID, "Raw Contours", drawMode == DRAWMODE_RAW_CONTOURS))
drawMode = DRAWMODE_RAW_CONTOURS;
if (imguiCheck(GENID, "Contours", drawMode == DRAWMODE_CONTOURS))
drawMode = DRAWMODE_CONTOURS;
imguiEndScrollArea();
// Log
if (showLog)
{
static int logScroll = 0;
if (imguiBeginScrollArea(GENID, "Log", 10, 10, width - 300, 200, &logScroll))
mouseOverMenu = true;
for (int i = 0; i < g_log.getMessageCount(); ++i)
imguiLabel(GENID1(i), g_log.getMessageText(i));
imguiEndScrollArea();
}
// Level selection dialog.
if (showLevels)
{
static int scroll = 0;
if (imguiBeginScrollArea(GENID, "Choose Level", width-10-250-10-200, height-10-250, 200, 250, &scroll))
mouseOverMenu = true;
int levelToLoad = -1;
for (int i = 0; i < fileList.size; ++i)
{
if (imguiItem(GENID1(i), fileList.files[i]))
levelToLoad = i;
}
if (levelToLoad != -1)
{
strncpy(curLevel, fileList.files[levelToLoad], sizeof(curLevel));
curLevel[sizeof(curLevel)-1] = '\0';
showLevels = false;
delete g_mesh;
delete g_solid;
delete g_chf;
delete g_cset;
delete g_polyMesh;
delete [] g_triangleFlags;
g_mesh = 0;
g_solid = 0;
g_chf = 0;
g_cset = 0;
g_polyMesh = 0;
g_triangleFlags = 0;
g_mesh = new rcMeshLoaderObj;
char path[256];
strcpy(path, "meshes/");
strcat(path, curLevel);
if (!g_mesh->load(path))
{
printf("Could not load mesh\n");
delete g_mesh;
g_mesh = 0;
}
if (g_mesh)
{
rcCalcBounds(g_mesh->getVerts(), g_mesh->getVertCount(), g_cfg.bmin, g_cfg.bmax);
// Reset camera.
camr = sqrtf(rcSqr(g_cfg.bmax[0]-g_cfg.bmin[0]) +
rcSqr(g_cfg.bmax[1]-g_cfg.bmin[1]) +
rcSqr(g_cfg.bmax[2]-g_cfg.bmin[2])) / 2;
camx = (g_cfg.bmax[0] + g_cfg.bmin[0]) / 2 + camr;
camy = (g_cfg.bmax[1] + g_cfg.bmin[1]) / 2 + camr;
camz = (g_cfg.bmax[2] + g_cfg.bmin[2]) / 2 + camr;
camr *= 3;
rx = 45;
ry = -45;
glFogf(GL_FOG_START, camr*0.5f);
glFogf(GL_FOG_END, camr*2.5f);
}
}
imguiEndScrollArea();
}
imguiEndFrame();
imguiRender(&drawText);
g_font.drawText(10.0f, (float)height-20.0f, "W/S/A/D: Move LMB: Rotate RMB: Place character", GLFont::RGBA(255,255,255,128));
glEnable(GL_DEPTH_TEST);
SDL_GL_SwapBuffers();
}
SDL_Quit();
delete g_mesh;
delete g_solid;
delete g_chf;
delete g_cset;
delete g_polyMesh;
delete [] g_triangleFlags;
return 0;
}

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//
// Copyright (c) 2009 Mikko Mononen memon@inside.org
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
//
#include "GlFont.h"
#include <stdio.h>
#define _USE_MATH_DEFINES
#include <math.h>
#include <SDL_Opengl.h>
#include <stdlib.h>
GLFont::GLFont(int renderVerts) :
m_fd(0),
m_texId(0),
m_verts(0),
m_nverts(0),
m_maxVerts(renderVerts)
{
}
GLFont::~GLFont()
{
if (m_texId)
glDeleteTextures(1, (GLuint*)&m_texId);
unsigned char* data = (unsigned char*)m_fd;
if (data)
free(data);
if (m_verts)
free(m_verts);
}
bool GLFont::create(const char* fileName)
{
unsigned char* data = 0;
FILE* fp = fopen(fileName, "rb");
if (!fp)
return false;
// Read cache file
fseek(fp, 0, SEEK_END);
unsigned n = ftell(fp);
fseek(fp, 0, SEEK_SET);
data = (unsigned char*)malloc(n);
fread(data, n, 1, fp);
fclose(fp);
if (!m_verts)
m_verts = (RenderVertex*)malloc(m_maxVerts*sizeof(RenderVertex));
return createFontFromFontData(data);
}
bool GLFont::createFontFromFontData(unsigned char* data)
{
if (!data)
{
printf("GLFont::createFontFromFontData: No input data!\n");
return false;
}
m_fd = (FontData*)data;
// Patch kern pointers.
for (int i = 0; i < m_fd->charCount; ++i)
m_fd->glyphs[i].kern = (KerningPair*)((int)m_fd->glyphs[i].kernOffset + data);
unsigned char* texData = data + m_fd->textureOffset;
// Create textures
glEnable(GL_TEXTURE_2D);
glGenTextures(1, (GLuint*)&m_texId);
glBindTexture(GL_TEXTURE_2D, m_texId);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, m_fd->texWidth, m_fd->texHeight, 0,
GL_ALPHA, GL_UNSIGNED_BYTE, texData);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
return true;
}
int GLFont::getFontSize() const
{
return m_fd ? m_fd->fontSize : 0;
}
int GLFont::getDescender() const
{
return m_fd ? m_fd->descender : 0;
}
int GLFont::getAscender() const
{
return m_fd ? m_fd->ascender : 0;
}
float GLFont::getLineHeight() const
{
return m_fd ? m_fd->lineHeight : 0.0f;
}
float GLFont::getTextLength(const char* text, float size, float tracking)
{
if (!m_texId) return 0.0f;
if (!m_fd) return 0.0f;
float scale = size < 0 ? 1 : size / (float)m_fd->fontSize;
float track = scale * m_fd->ascender * tracking / 1000.0f;
const unsigned char* src = (const unsigned char*)text;
int prevc = -1;
float len = 0.0f;
float tx = 0.0f;
for (; *src; ++src)
{
int c = (int)*src - m_fd->charMin;
if (c < 0 || c >= m_fd->charCount)
{
prevc = c;
continue;
}
CachedGlyph& cg = m_fd->glyphs[c];
if (prevc > 0 && prevc < m_fd->charCount)
{
CachedGlyph& prevcg = m_fd->glyphs[prevc];
if (prevcg.nkern != 0)
{
for (int i = 0; i < prevcg.nkern; ++i)
{
if (prevcg.kern[i].c == c)
{
tx += prevcg.kern[i].dx * scale;
break;
}
}
}
}
len = tx + (cg.ox + cg.w) * scale;
tx += cg.adv * scale + track;
prevc = c;
}
return len;
}
void GLFont::drawText(float tx, float ty, const char* text,
unsigned int col, float size, float tracking)
{
if (!m_fd) return;
if (!m_texId) return;
if (!m_verts) return;
float scale = size < 0 ? 1 : size / (float)m_fd->fontSize;
float track = scale * m_fd->ascender * tracking / 1000.0f;
float su = 1.0f / m_fd->texWidth;
float sv = 1.0f / m_fd->texHeight;
const unsigned char* src = (const unsigned char*)text;
RenderVertex* v = &m_verts[m_nverts];
int prevc = -1;
for (; *src; ++src)
{
int c = (int)*src - m_fd->charMin;
if (c == '\n')
{
ty -= getLineHeight();
prevc = -1;
continue;
}
if (c < 0 || c >= m_fd->charCount)
{
prevc = c;
continue;
}
CachedGlyph& cg = m_fd->glyphs[c];
if (prevc > 0 && prevc < m_fd->charCount)
{
CachedGlyph& prevcg = m_fd->glyphs[prevc];
if (prevcg.nkern != 0)
{
for (int i = 0; i < prevcg.nkern; ++i)
{
if (prevcg.kern[i].c == c)
{
tx += prevcg.kern[i].dx * scale;
break;
}
}
}
}
float x0 = floorf(tx + (cg.ox - 1) * scale + 0.5f);
float y0 = floorf(ty + (cg.oy - 1) * scale + 0.5f);
float x1 = floorf(x0 + (cg.w + 2) * scale + 0.5f);
float y1 = floorf(y0 + (cg.h + 2) * scale + 0.5f);
float u0 = (cg.tx - 1) * su;
float v0 = (cg.ty - 1) * sv;
float u1 = (cg.tx + cg.w + 1) * su;
float v1 = (cg.ty + cg.h + 1) * sv;
if (m_nverts+6 > m_maxVerts) break;
v->set(x0, y0, u0, v0, col); v++;
v->set(x1, y0, u1, v0, col); v++;
v->set(x1, y1, u1, v1, col); v++;
v->set(x0, y0, u0, v0, col); v++;
v->set(x1, y1, u1, v1, col); v++;
v->set(x0, y1, u0, v1, col); v++;
m_nverts += 6;
tx += cg.adv * scale + track;
prevc = c;
}
render();
}
void GLFont::render()
{
if (!m_fd) return;
if (!m_texId) return;
if (!m_verts) return;
// Render
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, m_texId);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glDisableClientState(GL_NORMAL_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glVertexPointer(2, GL_FLOAT, sizeof(RenderVertex), &m_verts[0].x);
glTexCoordPointer(2, GL_FLOAT, sizeof(RenderVertex), &m_verts[0].u);
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(RenderVertex), &m_verts[0].col);
glDrawArrays(GL_TRIANGLES, 0, m_nverts);
m_nverts = 0;
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisable(GL_TEXTURE_2D);
}
unsigned int GLFont::RGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a)
{
return (a<<24) | (b<<16) | (g<<8) | r;
/*#ifdef WIN32
return (a<<24) | (b<<16) | (g<<8) | r;
#else
return (r<<24) | (g<<16) | (b<<8) | a;
#endif*/
}

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//
// Copyright (c) 2009 Mikko Mononen memon@inside.org
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
//
#include <string.h>
#define _USE_MATH_DEFINES
#include <math.h>
#include "imgui.h"
#include "SDL.h"
#include "SDL_opengl.h"
#ifdef WIN32
# define snprintf _snprintf
#endif
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
enum GfxCmdType
{
GFXCMD_RECT,
GFXCMD_TRIANGLE,
GFXCMD_TEXT,
GFXCMD_SCISSOR,
};
struct GfxRect
{
short x,y,w,h,r;
};
struct GfxText
{
short x,y,dir;
const char* text;
};
struct GfxCmd
{
char type;
char flags;
char pad[2];
unsigned int col;
union
{
GfxRect rect;
GfxText text;
};
};
unsigned int RGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a)
{
return (r) | (g << 8) | (b << 16) | (a << 24);
}
static const unsigned TEXT_POOL_SIZE = 4096;
static char g_textPool[TEXT_POOL_SIZE];
static unsigned g_textPoolSize = 0;
const char* allocText(const char* text)
{
unsigned len = strlen(text)+1;
if (g_textPoolSize + len >= TEXT_POOL_SIZE)
return 0;
char* dst = &g_textPool[g_textPoolSize];
memcpy(dst, text, len);
g_textPoolSize += len;
return dst;
}
static const unsigned GFXCMD_QUEUE_SIZE = 1024;
static GfxCmd g_gfxCmdQueue[GFXCMD_QUEUE_SIZE];
static unsigned g_gfxCmdQueueSize = 0;
void resetGfxCmdQueue()
{
g_gfxCmdQueueSize = 0;
g_textPoolSize = 0;
}
static const unsigned TEMP_COORD_COUNT = 100;
static float g_tempCoords[TEMP_COORD_COUNT*2];
static float g_tempNormals[TEMP_COORD_COUNT*2];
static void drawPolygon(const float* coords, unsigned numCoords, float r, unsigned int col)
{
if (numCoords > TEMP_COORD_COUNT) numCoords = TEMP_COORD_COUNT;
for (unsigned i = 0, j = numCoords-1; i < numCoords; j=i++)
{
const float* v0 = &coords[j*2];
const float* v1 = &coords[i*2];
float dx = v1[0] - v0[0];
float dy = v1[1] - v0[1];
float d = sqrtf(dx*dx+dy*dy);
if (d > 0)
{
d = 1.0f/d;
dx *= d;
dy *= d;
}
g_tempNormals[j*2+0] = dy;
g_tempNormals[j*2+1] = -dx;
}
for (unsigned i = 0, j = numCoords-1; i < numCoords; j=i++)
{
float dlx0 = g_tempNormals[j*2+0];
float dly0 = g_tempNormals[j*2+1];
float dlx1 = g_tempNormals[i*2+0];
float dly1 = g_tempNormals[i*2+1];
float dmx = (dlx0 + dlx1) * 0.5f;
float dmy = (dly0 + dly1) * 0.5f;
float dmr2 = dmx*dmx + dmy*dmy;
if (dmr2 > 0.000001f)
{
float scale = 1.0f / dmr2;
if (scale > 10.0f) scale = 10.0f;
dmx *= scale;
dmy *= scale;
}
g_tempCoords[i*2+0] = coords[i*2+0]+dmx*r;
g_tempCoords[i*2+1] = coords[i*2+1]+dmy*r;
}
unsigned int colTrans = RGBA(col&0xff, (col>>8)&0xff, (col>>16)&0xff, 0);
glBegin(GL_TRIANGLES);
glColor4ubv((GLubyte*)&col);
for (unsigned i = 0, j = numCoords-1; i < numCoords; j=i++)
{
glVertex2fv(&coords[i*2]);
glVertex2fv(&coords[j*2]);
glColor4ubv((GLubyte*)&colTrans);
glVertex2fv(&g_tempCoords[j*2]);
glVertex2fv(&g_tempCoords[j*2]);
glVertex2fv(&g_tempCoords[i*2]);
glColor4ubv((GLubyte*)&col);
glVertex2fv(&coords[i*2]);
}
glColor4ubv((GLubyte*)&col);
for (unsigned i = 2; i < numCoords; ++i)
{
glVertex2fv(&coords[0]);
glVertex2fv(&coords[(i-1)*2]);
glVertex2fv(&coords[i*2]);
}
glEnd();
}
static const int CIRCLE_VERTS = 8*4;
static float g_circleVerts[CIRCLE_VERTS*2];
static bool g_circleVertsInitialized = false;
const float* getCircleVerts()
{
if (!g_circleVertsInitialized)
{
g_circleVertsInitialized = true;
for (unsigned i = 0; i < CIRCLE_VERTS; ++i)
{
float a = (float)i/(float)CIRCLE_VERTS * (float)M_PI*2;
g_circleVerts[i*2+0] = cosf(a);
g_circleVerts[i*2+1] = sinf(a);
}
}
return g_circleVerts;
}
static void drawRect(float x, float y, float w, float h, float fth, unsigned int col)
{
float verts[4*2] =
{
x, y,
x+w, y,
x+w, y+h,
x, y+h,
};
drawPolygon(verts, 4, fth, col);
}
static void drawEllipse(float x, float y, float w, float h, float fth, unsigned int col)
{
float verts[CIRCLE_VERTS*2];
const float* cverts = getCircleVerts();
float* v = verts;
for (unsigned i = 0; i < CIRCLE_VERTS; ++i)
{
*v++ = x + cverts[i*2]*w;
*v++ = y + cverts[i*2+1]*h;
}
drawPolygon(verts, CIRCLE_VERTS, fth, col);
}
static void drawRoundedRect(float x, float y, float w, float h, float r, float fth, unsigned int col)
{
const unsigned n = CIRCLE_VERTS/4;
float verts[(n+1)*4*2];
const float* cverts = getCircleVerts();
float* v = verts;
for (unsigned i = 0; i <= n; ++i)
{
*v++ = x+w-r + cverts[i*2]*r;
*v++ = y+h-r + cverts[i*2+1]*r;
}
for (unsigned i = n; i <= n*2; ++i)
{
*v++ = x+r + cverts[i*2]*r;
*v++ = y+h-r + cverts[i*2+1]*r;
}
for (unsigned i = n*2; i <= n*3; ++i)
{
*v++ = x+r + cverts[i*2]*r;
*v++ = y+r + cverts[i*2+1]*r;
}
for (unsigned i = n*3; i < n*4; ++i)
{
*v++ = x+w-r + cverts[i*2]*r;
*v++ = y+r + cverts[i*2+1]*r;
}
*v++ = x+w-r + cverts[0]*r;
*v++ = y+r + cverts[1]*r;
drawPolygon(verts, (n+1)*4, fth, col);
}
static void drawLine(float x0, float y0, float x1, float y1, float r, float fth, unsigned int col)
{
float dx = x1-x0;
float dy = y1-y0;
float d = sqrtf(dx*dx+dy*dy);
if (d > 0.0001f)
{
d = 1.0f/d;
dx *= d;
dy *= d;
}
float t = dx;
dx = dy;
dy = -t;
float verts[4*2];
r -= fth;
r *= 0.5f;
if (r < 0.01f) r = 0.01f;
dx *= r;
dy *= r;
verts[0] = x0-dx;
verts[1] = y0-dy;
verts[2] = x0+dx;
verts[3] = y0+dy;
verts[4] = x1+dx;
verts[5] = y1+dy;
verts[6] = x1-dx;
verts[7] = y1-dy;
drawPolygon(verts, 4, fth, col);
}
void renderGfxCmdQueue(void (*drawText)(int x, int y, int dir, const char* text, unsigned int col))
{
glDisable(GL_SCISSOR_TEST);
for (unsigned i = 0; i < g_gfxCmdQueueSize; ++i)
{
const GfxCmd& cmd = g_gfxCmdQueue[i];
if (cmd.type == GFXCMD_RECT)
{
if (cmd.rect.r == 0)
{
drawRect((float)cmd.rect.x+0.5f, (float)cmd.rect.y+0.5f,
(float)cmd.rect.w-1, (float)cmd.rect.h-1,
1.0f, cmd.col);
}
else
{
drawRoundedRect((float)cmd.rect.x+0.5f, (float)cmd.rect.y+0.5f,
(float)cmd.rect.w-1, (float)cmd.rect.h-1,
(float)cmd.rect.r, 1.0f, cmd.col);
}
}
else if (cmd.type == GFXCMD_TRIANGLE)
{
glColor4ub(cmd.col&0xff, (cmd.col>>8)&0xff, (cmd.col>>16)&0xff, (cmd.col>>24)&0xff);
if (cmd.flags == 1)
{
const float verts[3*2] =
{
(float)cmd.rect.x+0.5f, (float)cmd.rect.y+0.5f,
(float)cmd.rect.x+0.5f+(float)cmd.rect.w-1, (float)cmd.rect.y+0.5f+(float)cmd.rect.h/2-0.5f,
(float)cmd.rect.x+0.5f, (float)cmd.rect.y+0.5f+(float)cmd.rect.h-1,
};
drawPolygon(verts, 3, 1.0f, cmd.col);
}
if (cmd.flags == 2)
{
const float verts[3*2] =
{
(float)cmd.rect.x+0.5f, (float)cmd.rect.y+(float)cmd.rect.h-1,
(float)cmd.rect.x+0.5f+(float)cmd.rect.w/2-0.5f, (float)cmd.rect.y+0.5f,
(float)cmd.rect.x+0.5f+(float)cmd.rect.w-1, (float)cmd.rect.y+0.5f+(float)cmd.rect.h-1,
};
drawPolygon(verts, 3, 1.0f, cmd.col);
}
}
else if (cmd.type == GFXCMD_TEXT)
{
drawText(cmd.text.x, cmd.text.y, cmd.text.dir, cmd.text.text, cmd.col);
}
else if (cmd.type == GFXCMD_SCISSOR)
{
if (cmd.flags)
{
glEnable(GL_SCISSOR_TEST);
glScissor(cmd.rect.x, cmd.rect.y, cmd.rect.w, cmd.rect.h);
}
else
{
glDisable(GL_SCISSOR_TEST);
}
}
}
glDisable(GL_SCISSOR_TEST);
}
void addGfxCmdScissor(int x, int y, int w, int h)
{
if (g_gfxCmdQueueSize >= GFXCMD_QUEUE_SIZE)
return;
GfxCmd& cmd = g_gfxCmdQueue[g_gfxCmdQueueSize++];
cmd.type = GFXCMD_SCISSOR;
cmd.flags = x < 0 ? 0 : 1; // on/off flag.
cmd.col = 0;
cmd.rect.x = (short)x;
cmd.rect.y = (short)y;
cmd.rect.w = (short)w;
cmd.rect.h = (short)h;
}
void addGfxCmdRect(int x, int y, int w, int h, unsigned int color)
{
if (g_gfxCmdQueueSize >= GFXCMD_QUEUE_SIZE)
return;
GfxCmd& cmd = g_gfxCmdQueue[g_gfxCmdQueueSize++];
cmd.type = GFXCMD_RECT;
cmd.flags = 0;
cmd.col = color;
cmd.rect.x = (short)x;
cmd.rect.y = (short)y;
cmd.rect.w = (short)w;
cmd.rect.h = (short)h;
cmd.rect.r = 0;
}
void addGfxCmdRoundedRect(int x, int y, int w, int h, int r, unsigned int color)
{
if (g_gfxCmdQueueSize >= GFXCMD_QUEUE_SIZE)
return;
GfxCmd& cmd = g_gfxCmdQueue[g_gfxCmdQueueSize++];
cmd.type = GFXCMD_RECT;
cmd.flags = 0;
cmd.col = color;
cmd.rect.x = (short)x;
cmd.rect.y = (short)y;
cmd.rect.w = (short)w;
cmd.rect.h = (short)h;
cmd.rect.r = (short)r;
}
void addGfxCmdTriangle(int x, int y, int w, int h, int flags, unsigned int color)
{
if (g_gfxCmdQueueSize >= GFXCMD_QUEUE_SIZE)
return;
GfxCmd& cmd = g_gfxCmdQueue[g_gfxCmdQueueSize++];
cmd.type = GFXCMD_TRIANGLE;
cmd.flags = (char)flags;
cmd.col = color;
cmd.rect.x = (short)x;
cmd.rect.y = (short)y;
cmd.rect.w = (short)w;
cmd.rect.h = (short)h;
}
void addGfxCmdText(int x, int y, int dir, const char* text, unsigned int color)
{
if (g_gfxCmdQueueSize >= GFXCMD_QUEUE_SIZE)
return;
GfxCmd& cmd = g_gfxCmdQueue[g_gfxCmdQueueSize++];
cmd.type = GFXCMD_TEXT;
cmd.flags = 0;
cmd.col = color;
cmd.text.x = (short)x;
cmd.text.y = (short)y;
cmd.text.dir = (short)dir;
cmd.text.text = allocText(text);
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
struct GuiState
{
GuiState() :
mbutPressed(false), mbutReleased(false), mbut(false), mx(-1), my(-1),
isHot(false), isActive(false), wentActive(false),
dragX(0), dragY(0), dragOrig(0),
widgetX(0), widgetY(0), widgetW(100),
active(0), hot(0), hotToBe(0)
{
}
bool mbutPressed, mbutReleased;
bool mbut;
int mx,my;
unsigned int active;
unsigned int hot;
unsigned int hotToBe;
bool isHot;
bool isActive;
bool wentActive;
int dragX, dragY;
float dragOrig;
int widgetX, widgetY, widgetW;
};
static GuiState g_state;
inline bool anyActive()
{
return g_state.active != 0;
}
inline bool isActive(unsigned int id)
{
return g_state.active == id;
}
inline bool isHot(unsigned int id)
{
return g_state.hot == id;
}
inline bool inRect(int x, int y, int w, int h)
{
return g_state.mx >= x && g_state.mx <= x+w && g_state.my >= y && g_state.my <= y+h;
}
void clearInput()
{
g_state.mbutPressed = false;
g_state.mbutReleased = false;
}
void clearActive(void)
{
g_state.active = 0;
// mark all UI for this frame as processed
clearInput();
}
void setActive(unsigned int id)
{
g_state.active = id;
g_state.wentActive = true;
}
void setHot(unsigned int id)
{
g_state.hotToBe = id;
}
bool buttonLogic(unsigned int id, bool over)
{
bool res = false;
// process down
if (!anyActive())
{
if (over)
setHot(id);
if (isHot(id) && g_state.mbutPressed)
setActive(id);
}
// if button is active, then react on left up
if (isActive(id))
{
g_state.isActive = true;
if (over)
setHot(id);
if (g_state.mbutReleased)
{
if (isHot(id))
res = true;
clearActive();
}
}
if (isHot(id))
g_state.isHot = true;
return res;
}
static void updateInput()
{
int mx, my;
Uint8 state = SDL_GetMouseState(&mx, &my);
bool mbut = (state & SDL_BUTTON_LMASK) != 0;
SDL_Surface* screen = SDL_GetVideoSurface();
my = screen->h-1 - my;
g_state.mx = mx;
g_state.my = my;
g_state.mbutPressed = !g_state.mbut && mbut;
g_state.mbutReleased = g_state.mbut && !mbut;
g_state.mbut = mbut;
}
void imguiBeginFrame()
{
updateInput();
g_state.hot = g_state.hotToBe;
g_state.hotToBe = 0;
g_state.wentActive = false;
g_state.isActive = false;
g_state.isHot = false;
g_state.widgetX = 0;
g_state.widgetY = 0;
g_state.widgetW = 0;
resetGfxCmdQueue();
}
void imguiEndFrame()
{
clearInput();
}
void imguiRender(void (*drawText)(int x, int y, int dir, const char* text, unsigned int col))
{
renderGfxCmdQueue(drawText);
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static const int BUTTON_HEIGHT = 20;
static const int SLIDER_HEIGHT = 20;
static const int SLIDER_MARKER_WIDTH = 10;
static const int CHECK_SIZE = 8;
static const int DEFAULT_SPACING = 4;
static const int TEXT_HEIGHT = 8;
static const int SCROLL_AREA_PADDING = 6;
static const int INTEND_SIZE = 16;
static const int AREA_HEADER = 28;
static int g_scrollTop = 0;
static int g_scrollBottom = 0;
static int g_scrollRight = 0;
static int g_scrollAreaTop = 0;
static int* g_scrollVal = 0;
static int g_focusTop = 0;
static int g_focusBottom = 0;
static unsigned int g_scrollId = 0;
bool imguiBeginScrollArea(unsigned int id, const char* name, int x, int y, int w, int h, int* scroll)
{
g_scrollId = id;
g_state.widgetX = x + SCROLL_AREA_PADDING;
g_state.widgetY = y+h-AREA_HEADER + (*scroll);
g_state.widgetW = w - SCROLL_AREA_PADDING*4;
g_scrollTop = y-AREA_HEADER+h;
g_scrollBottom = y+SCROLL_AREA_PADDING;
g_scrollRight = x+w - SCROLL_AREA_PADDING*3;
g_scrollVal = scroll;
g_scrollAreaTop = g_state.widgetY;
g_focusTop = y-AREA_HEADER;
g_focusBottom = y-AREA_HEADER+h;
addGfxCmdRoundedRect(x, y, w, h, 6, RGBA(0,0,0,192));
addGfxCmdText(x+AREA_HEADER/2, y+h-AREA_HEADER/2-TEXT_HEIGHT/2, 1, name, RGBA(255,255,255,128));
addGfxCmdScissor(x+SCROLL_AREA_PADDING, y+SCROLL_AREA_PADDING, w-SCROLL_AREA_PADDING*4, h-AREA_HEADER-SCROLL_AREA_PADDING);
return inRect(x, y, w, h);
}
void imguiEndScrollArea()
{
// Disable scissoring.
addGfxCmdScissor(-1,-1,-1,-1);
// Draw scroll bar
int x = g_scrollRight+SCROLL_AREA_PADDING/2;
int y = g_scrollBottom;
int w = SCROLL_AREA_PADDING*2;
int h = g_scrollTop - g_scrollBottom;
int stop = g_scrollAreaTop;
int sbot = g_state.widgetY;
int sh = stop - sbot; // The scrollable area height.
float barHeight = (float)h/(float)sh;
if (barHeight < 1)
{
float barY = (float)(y - sbot)/(float)sh;
if (barY < 0) barY = 0;
if (barY > 1) barY = 1;
// Handle scroll bar logic.
unsigned int hid = g_scrollId;
int hx = x;
int hy = y + (int)(barY*h);
int hw = w;
int hh = (int)(barHeight*h);
const int range = h - (hh-1);
bool over = inRect(hx, hy, hw, hh);
buttonLogic(hid, over);
if (isActive(hid))
{
float u = (float)(hy-y) / (float)range;
if (g_state.wentActive)
{
g_state.dragY = g_state.my;
g_state.dragOrig = u;
}
if (g_state.dragY != g_state.my)
{
u = g_state.dragOrig + (g_state.my - g_state.dragY) / (float)range;
if (u < 0) u = 0;
if (u > 1) u = 1;
*g_scrollVal = (int)((1-u) * (sh - h));
}
}
// BG
addGfxCmdRoundedRect(x, y, w, h, w/2-1, RGBA(0,0,0,196));
// Bar
if (isActive(hid))
addGfxCmdRoundedRect(hx, hy, hw, hh, w/2-1, RGBA(255,196,0,196));
else
addGfxCmdRoundedRect(hx, hy, hw, hh, w/2-1, isHot(hid) ? RGBA(255,196,0,96) : RGBA(255,255,255,64));
}
}
bool imguiButton(unsigned int id, const char* text)
{
int x = g_state.widgetX;
int y = g_state.widgetY - BUTTON_HEIGHT;
int w = g_state.widgetW;
int h = BUTTON_HEIGHT;
g_state.widgetY -= BUTTON_HEIGHT + DEFAULT_SPACING;
bool over = inRect(x, y, w, h);
bool res = buttonLogic(id, over);
addGfxCmdRoundedRect(x, y, w, h, BUTTON_HEIGHT/2-1, RGBA(128,128,128, isActive(id)?196:96));
addGfxCmdText(x+BUTTON_HEIGHT/2, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, 1, text, isHot(id) ? RGBA(255,196,0,255) : RGBA(255,255,255,200));
return res;
}
bool imguiItem(unsigned int id, const char* text)
{
int x = g_state.widgetX;
int y = g_state.widgetY - BUTTON_HEIGHT;
int w = g_state.widgetW;
int h = BUTTON_HEIGHT;
g_state.widgetY -= BUTTON_HEIGHT + DEFAULT_SPACING;
bool over = inRect(x, y, w, h);
bool res = buttonLogic(id, over);
if (isHot(id))
addGfxCmdRoundedRect(x, y, w, h, 2, RGBA(255,196,0,isActive(id)?196:96));
addGfxCmdText(x+BUTTON_HEIGHT/2, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, 1, text, RGBA(255,255,255,200));
return res;
}
bool imguiCheck(unsigned int id, const char* text, bool checked)
{
int x = g_state.widgetX;
int y = g_state.widgetY - BUTTON_HEIGHT;
int w = g_state.widgetW;
int h = BUTTON_HEIGHT;
g_state.widgetY -= BUTTON_HEIGHT + DEFAULT_SPACING;
bool over = inRect(x, y, w, h);
bool res = buttonLogic(id, over);
const int cx = x+BUTTON_HEIGHT/2-CHECK_SIZE/2;
const int cy = y+BUTTON_HEIGHT/2-CHECK_SIZE/2;
addGfxCmdRoundedRect(cx-3, cy-3, CHECK_SIZE+6, CHECK_SIZE+6, 4, RGBA(128,128,128, isActive(id)?196:96));
if (checked)
addGfxCmdRoundedRect(cx, cy, CHECK_SIZE, CHECK_SIZE, CHECK_SIZE/2-1, RGBA(255,255,255,isActive(id)?255:200));
addGfxCmdText(x+BUTTON_HEIGHT, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, 1, text, isHot(id) ? RGBA(255,196,0,255) : RGBA(255,255,255,200));
return res;
}
bool imguiCollapse(unsigned int id, const char* text, bool checked)
{
int x = g_state.widgetX;
int y = g_state.widgetY - BUTTON_HEIGHT;
int w = g_state.widgetW;
int h = BUTTON_HEIGHT;
g_state.widgetY -= BUTTON_HEIGHT; // + DEFAULT_SPACING;
const int cx = x+BUTTON_HEIGHT/2-CHECK_SIZE/2;
const int cy = y+BUTTON_HEIGHT/2-CHECK_SIZE/2;
bool over = inRect(x, y, w, h);
bool res = buttonLogic(id, over);
if (checked)
addGfxCmdTriangle(cx, cy, CHECK_SIZE, CHECK_SIZE, 1, RGBA(255,255,255,isActive(id)?255:200));
else
addGfxCmdTriangle(cx, cy, CHECK_SIZE, CHECK_SIZE, 2, RGBA(255,255,255,isActive(id)?255:200));
addGfxCmdText(x+BUTTON_HEIGHT, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, 1, text, isHot(id) ? RGBA(255,196,0,255) : RGBA(255,255,255,200));
return res;
}
void imguiLabel(unsigned int /*id*/, const char* text)
{
int x = g_state.widgetX;
int y = g_state.widgetY - BUTTON_HEIGHT;
g_state.widgetY -= BUTTON_HEIGHT;
addGfxCmdText(x, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, 1, text, RGBA(255,255,255,255));
}
void imguiValue(unsigned int /*id*/, const char* text)
{
const int x = g_state.widgetX;
const int y = g_state.widgetY - BUTTON_HEIGHT;
const int w = g_state.widgetW;
g_state.widgetY -= BUTTON_HEIGHT;
addGfxCmdText(x+w-BUTTON_HEIGHT/2, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, -1, text, RGBA(255,255,255,200));
}
bool imguiSlider(unsigned int id, const char* text, float* val, float vmin, float vmax, float vinc)
{
int x = g_state.widgetX;
int y = g_state.widgetY - BUTTON_HEIGHT;
int w = g_state.widgetW;
int h = SLIDER_HEIGHT;
g_state.widgetY -= SLIDER_HEIGHT + DEFAULT_SPACING;
addGfxCmdRoundedRect(x, y, w, h, 4, RGBA(0,0,0,128));
const int range = w - SLIDER_MARKER_WIDTH;
float u = (*val - vmin) / (vmax-vmin);
if (u < 0) u = 0;
if (u > 1) u = 1;
int m = (int)(u * range);
bool over = inRect(x+m, y, SLIDER_MARKER_WIDTH, SLIDER_HEIGHT);
bool res = buttonLogic(id, over);
bool valChanged = false;
if (isActive(id))
{
if (g_state.wentActive)
{
g_state.dragX = g_state.mx;
g_state.dragOrig = u;
}
if (g_state.dragX != g_state.mx)
{
u = g_state.dragOrig + (float)(g_state.mx - g_state.dragX) / (float)range;
if (u < 0) u = 0;
if (u > 1) u = 1;
*val = vmin + u*(vmax-vmin);
*val = floorf(*val / vinc)*vinc; // Snap to vinc
m = (int)(u * range);
valChanged = true;
}
}
if (isActive(id))
addGfxCmdRoundedRect(x+m, y, SLIDER_MARKER_WIDTH, SLIDER_HEIGHT, 4, RGBA(255,255,255,255));
else
addGfxCmdRoundedRect(x+m, y, SLIDER_MARKER_WIDTH, SLIDER_HEIGHT, 4, isHot(id) ? RGBA(255,196,0,128) : RGBA(255,255,255,64));
int digits = (int)(ceilf(log10f(vinc)));
char fmt[16];
snprintf(fmt, 16, "%%.%df", digits >= 0 ? 0 : -digits);
char msg[128];
snprintf(msg, 128, fmt, *val);
addGfxCmdText(x+SLIDER_HEIGHT/2, y+SLIDER_HEIGHT/2-TEXT_HEIGHT/2, 1, text, isHot(id) ? RGBA(255,196,0,255) : RGBA(255,255,255,200));
addGfxCmdText(x+w-SLIDER_HEIGHT/2, y+SLIDER_HEIGHT/2-TEXT_HEIGHT/2, -1, msg, isHot(id) ? RGBA(255,196,0,255) : RGBA(255,255,255,200));
return res || valChanged;
}
void imguiIndent()
{
g_state.widgetX += INTEND_SIZE;
g_state.widgetW -= INTEND_SIZE;
}
void imguiUnindent()
{
g_state.widgetX -= INTEND_SIZE;
g_state.widgetW += INTEND_SIZE;
}
void imguiSeparator()
{
g_state.widgetY -= DEFAULT_SPACING*3;
}