Refactor shader init and source

rwengine/include/render/GameShaders.hpp

@@ -0,0 +1,28 @@
+#pragma once
+#ifndef _GAMESHADERS_HPP_
+#define _GAMESHADERS_HPP_
+
+namespace GameShaders {
+
+struct WaterHQ {
+	static const char* VertexShader;
+	static const char* FragmentShader;
+};
+struct WaterLQ {
+	static const char* VertexShader;
+	static const char* FragmentShader;
+};
+
+struct Sky {
+	static const char* VertexShader;
+	static const char* FragmentShader;
+};
+
+struct WorldObject {
+	static const char* VertexShader;
+	static const char* FragmentShader;
+};
+
+}
+
+#endif

rwengine/include/render/ViewCamera.hpp

@@ -10,12 +10,12 @@ public:
 	ViewFrustum frustum;
 	
 	glm::vec3 worldPos;
-	
+
 	ViewCamera()
-	: frustum({0.1f, 5000.f, 80.f, 1.f})
+		: frustum({0.1f, 5000.f, (-75.f / 180.f) * 3.1415f, 1.f})
 	{
 		
 	}
 };
 
-#endif
+#endif

rwengine/src/render/GameRenderer.cpp

@@ -10,74 +10,12 @@
 #include <ai/CharacterController.hpp>
 #include <data/ObjectData.hpp>
 
+#include <render/GameShaders.hpp>
+
 #include <deque>
 #include <cmath>
 #include <glm/gtc/type_ptr.hpp>
 
-const char *vertexShaderSource = "#version 130\n#extension GL_ARB_explicit_attrib_location : enable\n"
-"layout(location = 0) in vec3 position;"
-"layout(location = 1) in vec3 normal;"
-"layout(location = 2) in vec4 colour;"
-"layout(location = 3) in vec2 texCoords;"
-"out vec3 Normal;"
-"out vec2 TexCoords;"
-"out vec4 Colour;"
-"out vec4 EyeSpace;"
-"uniform mat4 model;"
-"uniform mat4 view;"
-"uniform mat4 proj;"
-"void main()"
-"{"
-"	Normal = normal;"
-"	TexCoords = texCoords;"
-"	Colour = colour;"
-"	vec4 eyeSpace = view * model * vec4(position, 1.0);"
-"	EyeSpace = proj * eyeSpace;"
-"	gl_Position = proj * eyeSpace;"
-"}";
-const char *fragmentShaderSource = "#version 130\n"
-"in vec3 Normal;"
-"in vec2 TexCoords;"
-"in vec4 Colour;"
-"in vec4 EyeSpace;"
-"uniform sampler2D texture;"
-"uniform vec4 BaseColour;"
-"uniform vec4 AmbientColour;"
-"uniform vec4 DynamicColour;"
-"uniform vec3 SunDirection;"
-"uniform float FogStart;"
-"uniform float FogEnd;"
-"uniform float MaterialDiffuse;"
-"uniform float MaterialAmbient;"
-"void main()"
-"{"
-"   vec4 c = texture2D(texture, TexCoords);"
-"	if(c.a < 0.1) discard;"
-"	float fogZ = (gl_FragCoord.z / gl_FragCoord.w);"
-"	float fogfac = clamp( (FogEnd-fogZ)/(FogEnd-FogStart), 0.0, 1.0 );"
-//"	gl_FragColor = mix(AmbientColour, c, fogfac);"
-"	gl_FragColor = mix(AmbientColour, BaseColour * (vec4(0.5) + Colour * 0.5) * (vec4(0.5) + DynamicColour * 0.5) * c, fogfac);"
-"}";
-
-const char *skydomeVertexShaderSource = "#version 130\n"
-"in vec3 position;"
-"uniform mat4 view;"
-"uniform mat4 proj;"
-"out vec3 Position;"
-"uniform float Far;"
-"void main() {"
-"	Position = position;"
-"	vec4 viewsp = proj * mat4(mat3(view)) * vec4(position, 1.0);"
-"	viewsp.z = viewsp.w - 0.000001;"
-"	gl_Position = viewsp;"
-"}";
-const char *skydomeFragmentShaderSource = "#version 130\n"
-"in vec3 Position;"
-"uniform vec4 TopColor;"
-"uniform vec4 BottomColor;"
-"void main() {"
-"	gl_FragColor = mix(BottomColor, TopColor, clamp(Position.z, 0, 1));"
-"}";
 const size_t skydomeSegments = 8, skydomeRows = 10;
 
 struct WaterVertex {
@@ -104,36 +42,6 @@ DrawBuffer waterLQDraw;
 GeometryBuffer waterHQBuffer;
 DrawBuffer waterHQDraw;
 
-const char *waterVSSource = R"(
-#version 130
-#extension GL_ARB_explicit_attrib_location : enable
-layout(location = 0) in vec2 position;
-out vec2 TexCoords;
-uniform float height;
-uniform float size;
-uniform mat4 MVP;
-uniform float time;
-uniform vec2 worldP;
-uniform vec2 waveParams;
-void main()
-{
-	vec2 p = worldP + position * size;
-	float waveHeight = (1.0+sin(time + (p.x + p.y) * waveParams.x)) * waveParams.y;
-	TexCoords = position * 2.0;
-	gl_Position = MVP * vec4(p, height + waveHeight, 1.0);
-})";
-
-const char *waterFSSource = R"(
-#version 130
-in vec3 Normal;
-in vec2 TexCoords;
-uniform sampler2D texture;
-void main() {
-	vec4 c = texture2D(texture, TexCoords);
-	gl_FragColor = c;
-})";
-
-
 GLuint compileShader(GLenum type, const char *source)
 {
 	GLuint shader = glCreateShader(type);
@@ -156,16 +64,26 @@ GLuint compileShader(GLenum type, const char *source)
 	return shader;
 }
 
+GLuint compileProgram(const char* vertex, const char* fragment)
+{
+	GLuint vertexShader = compileShader(GL_VERTEX_SHADER, vertex);
+	GLuint fragmentShader = compileShader(GL_FRAGMENT_SHADER, fragment);
+	GLuint prog	= glCreateProgram();
+	glAttachShader(prog, vertexShader);
+	glAttachShader(prog, fragmentShader);
+	glLinkProgram(prog);
+
+	glDeleteShader(vertexShader);
+	glDeleteShader(fragmentShader);
+
+	return prog;
+}
+
 GameRenderer::GameRenderer(GameWorld* engine)
 	: engine(engine), _renderAlpha(0.f)
-{	
-	GLuint vertexShader = compileShader(GL_VERTEX_SHADER, vertexShaderSource);
-	GLuint fragmentShader = compileShader(GL_FRAGMENT_SHADER, fragmentShaderSource);
-	worldProgram = glCreateProgram();
-	glAttachShader(worldProgram, vertexShader);
-	glAttachShader(worldProgram, fragmentShader);
-	glLinkProgram(worldProgram);
-	glUseProgram(worldProgram);
+{
+	worldProgram = compileProgram(GameShaders::WorldObject::VertexShader,
+								  GameShaders::WorldObject::FragmentShader);
 	
 	uniModel = glGetUniformLocation(worldProgram, "model");
 	uniView = glGetUniformLocation(worldProgram, "view");
@@ -178,18 +96,26 @@ GameRenderer::GameRenderer(GameWorld* engine)
 	uniMatAmbient = glGetUniformLocation(worldProgram, "MaterialAmbient");
 	uniFogStart = glGetUniformLocation(worldProgram, "FogStart");
 	uniFogEnd = glGetUniformLocation(worldProgram, "FogEnd");
-	
-	vertexShader = compileShader(GL_VERTEX_SHADER, skydomeVertexShaderSource);
-	fragmentShader = compileShader(GL_FRAGMENT_SHADER, skydomeFragmentShaderSource);
-	skyProgram = glCreateProgram();
-	glAttachShader(skyProgram, vertexShader);
-	glAttachShader(skyProgram, fragmentShader);
-	glLinkProgram(skyProgram);
-	glUseProgram(skyProgram);
+
+	skyProgram = compileProgram(GameShaders::Sky::VertexShader,
+								GameShaders::Sky::FragmentShader);
+
 	skyUniView = glGetUniformLocation(skyProgram, "view");
 	skyUniProj = glGetUniformLocation(skyProgram, "proj");
 	skyUniTop = glGetUniformLocation(skyProgram, "TopColor");
 	skyUniBottom = glGetUniformLocation(skyProgram, "BottomColor");
+
+	waterProgram = compileProgram(GameShaders::WaterHQ::VertexShader,
+								  GameShaders::WaterHQ::FragmentShader);
+
+	waterHeight = glGetUniformLocation(waterProgram, "height");
+	waterTexture = glGetUniformLocation(waterProgram, "texture");
+	waterSize = glGetUniformLocation(waterProgram, "size");
+	waterMVP = glGetUniformLocation(waterProgram, "MVP");
+	waterTime = glGetUniformLocation(waterProgram, "time");
+	waterPosition = glGetUniformLocation(waterProgram, "worldP");
+	waterWave = glGetUniformLocation(waterProgram, "waveParams");
+
 	
 	glGenVertexArrays( 1, &vao );
 
@@ -219,20 +145,7 @@ GameRenderer::GameRenderer(GameWorld* engine)
 	waterHQDraw.addGeometry(&waterHQBuffer);
 	waterHQDraw.setFaceType(GL_TRIANGLES);
 
-	GLuint waterVS = compileShader(GL_VERTEX_SHADER, waterVSSource);
-	GLuint waterFS = compileShader(GL_FRAGMENT_SHADER, waterFSSource);
-	waterProgram = glCreateProgram();
-	glAttachShader(waterProgram, waterVS);
-	glAttachShader(waterProgram, waterFS);
-	glLinkProgram(waterProgram);
-	waterHeight = glGetUniformLocation(waterProgram, "height");
-	waterTexture = glGetUniformLocation(waterProgram, "texture");
-	waterSize = glGetUniformLocation(waterProgram, "size");
-	waterMVP = glGetUniformLocation(waterProgram, "MVP");
-	waterTime = glGetUniformLocation(waterProgram, "time");
-	waterPosition = glGetUniformLocation(waterProgram, "worldP");
-	waterWave = glGetUniformLocation(waterProgram, "waveParams");
-	
+
 	// And our skydome while we're at it.
 	glGenBuffers(1, &skydomeVBO);
 	glBindBuffer(GL_ARRAY_BUFFER, skydomeVBO);

rwengine/src/render/GameShaders.cpp

@@ -0,0 +1,106 @@
+#include <render/GameShaders.hpp>
+
+namespace GameShaders {
+
+const char* WaterHQ::VertexShader = R"(
+#version 130
+#extension GL_ARB_explicit_attrib_location : enable
+layout(location = 0) in vec2 position;
+out vec2 TexCoords;
+uniform float height;
+uniform float size;
+uniform mat4 MVP;
+uniform float time;
+uniform vec2 worldP;
+uniform vec2 waveParams;
+void main()
+{
+	vec2 p = worldP + position * size;
+	float waveHeight = (1.0+sin(time + (p.x + p.y) * waveParams.x)) * waveParams.y;
+	TexCoords = position * 2.0;
+	gl_Position = MVP * vec4(p, height + waveHeight, 1.0);
+})";
+
+const char* WaterHQ::FragmentShader = R"(
+#version 130
+in vec3 Normal;
+in vec2 TexCoords;
+uniform sampler2D texture;
+void main() {
+	vec4 c = texture2D(texture, TexCoords);
+	gl_FragColor = c;
+})";
+
+const char* Sky::VertexShader = R"(
+#version 130
+in vec3 position;
+uniform mat4 view;
+uniform mat4 proj;
+out vec3 Position;
+uniform float Far;
+void main() {
+	Position = position;
+	vec4 viewsp = proj * mat4(mat3(view)) * vec4(position, 1.0);
+	viewsp.z = viewsp.w - 0.000001;
+	gl_Position = viewsp;
+})";
+
+const char* Sky::FragmentShader = R"(
+#version 130
+in vec3 Position;
+uniform vec4 TopColor;
+uniform vec4 BottomColor;
+void main() {
+	gl_FragColor = mix(BottomColor, TopColor, clamp(Position.z, 0, 1));
+})";
+
+const char* WorldObject::VertexShader = R"(
+#version 130
+#extension GL_ARB_explicit_attrib_location : enable
+layout(location = 0) in vec3 position;
+layout(location = 1) in vec3 normal;
+layout(location = 2) in vec4 colour;
+layout(location = 3) in vec2 texCoords;
+out vec3 Normal;
+out vec2 TexCoords;
+out vec4 Colour;
+out vec4 EyeSpace;
+uniform mat4 model;
+uniform mat4 view;
+uniform mat4 proj;
+void main()
+{
+	Normal = normal;
+	TexCoords = texCoords;
+	Colour = colour;
+	vec4 eyeSpace = view * model * vec4(position, 1.0);
+	EyeSpace = proj * eyeSpace;
+	gl_Position = proj * eyeSpace;
+})";
+
+const char* WorldObject::FragmentShader = R"(
+#version 130
+in vec3 Normal;
+in vec2 TexCoords;
+in vec4 Colour;
+in vec4 EyeSpace;
+uniform sampler2D texture;
+uniform vec4 BaseColour;
+uniform vec4 AmbientColour;
+uniform vec4 DynamicColour;
+uniform vec3 SunDirection;
+uniform float FogStart;
+uniform float FogEnd;
+uniform float MaterialDiffuse;
+uniform float MaterialAmbient;
+void main()
+{
+	vec4 c = texture2D(texture, TexCoords);
+	if(c.a < 0.1) discard;
+	float fogZ = (gl_FragCoord.z / gl_FragCoord.w);
+	float fogfac = clamp( (FogEnd-fogZ)/(FogEnd-FogStart), 0.0, 1.0 );
+	//	gl_FragColor = mix(AmbientColour, c, fogfac);
+	gl_FragColor = mix(AmbientColour, BaseColour * (vec4(0.5) + Colour * 0.5) * (vec4(0.5) + DynamicColour * 0.5) * c, fogfac);
+})";
+
+}

rwgame/main.cpp

@@ -40,8 +40,8 @@ int debugMode = 0;
 
 sf::Font font;
 
-glm::vec3 viewPosition { -200.f, -100.f, 45.f };
-glm::vec2 viewAngles { -0.90f, 0.2f };
+glm::vec3 viewPosition { -260.f, -151.5f, 9.f };
+glm::vec2 viewAngles { -0.3f, 0.05f };
 
 void setViewParameters(const glm::vec3 &center, const glm::vec2 &angles)
 {