diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/audio.c | 7 | ||||
| -rw-r--r-- | src/models.c | 65 | ||||
| -rw-r--r-- | src/raylib.h | 22 | ||||
| -rw-r--r-- | src/rlgl.c | 208 | ||||
| -rw-r--r-- | src/rlgl.h | 32 |
5 files changed, 201 insertions, 133 deletions
diff --git a/src/audio.c b/src/audio.c index 43e8be14..0c61c0fa 100644 --- a/src/audio.c +++ b/src/audio.c @@ -384,7 +384,7 @@ RawAudioContext InitRawAudioContext(int sampleRate, int channels, bool floatingP for(mixIndex = 0; mixIndex < MAX_MIX_CHANNELS; mixIndex++) // find empty mix channel slot { if(mixChannelsActive_g[mixIndex] == NULL) break; - else if(mixIndex = MAX_MIX_CHANNELS - 1) return -1; // error + else if(mixIndex == MAX_MIX_CHANNELS - 1) return -1; // error } if(InitMixChannel(sampleRate, mixIndex, channels, floatingPoint)) @@ -772,7 +772,7 @@ int PlayMusicStream(int musicIndex, char *fileName) for(mixIndex = 0; mixIndex < MAX_MIX_CHANNELS; mixIndex++) // find empty mix channel slot { if(mixChannelsActive_g[mixIndex] == NULL) break; - else if(mixIndex = MAX_MIX_CHANNELS - 1) return 2; // error + else if(mixIndex == MAX_MIX_CHANNELS - 1) return 2; // error } if (strcmp(GetExtension(fileName),"ogg") == 0) @@ -956,7 +956,7 @@ float GetMusicTimeLength(int index) // Get current music time played (in seconds) float GetMusicTimePlayed(int index) { - float secondsPlayed; + float secondsPlayed = 0.0f; if(index < MAX_MUSIC_STREAMS && currentMusic[index].mixc) { if (currentMusic[index].chipTune) @@ -972,7 +972,6 @@ float GetMusicTimePlayed(int index) secondsPlayed = (float)samplesPlayed / (currentMusic[index].mixc->sampleRate * currentMusic[index].mixc->channels); } } - return secondsPlayed; } diff --git a/src/models.c b/src/models.c index 414f6716..07dee720 100644 --- a/src/models.c +++ b/src/models.c @@ -65,6 +65,16 @@ static Mesh GenMeshCubicmap(Image cubicmap, Vector3 cubeSize); // Module Functions Definition //---------------------------------------------------------------------------------- +// Draw a line in 3D world space +void Draw3DLine(Vector3 startPos, Vector3 endPos, Color color) +{ + rlBegin(RL_LINES); + rlColor4ub(color.r, color.g, color.b, color.a); + rlVertex3f(startPos.x, startPos.y, startPos.z); + rlVertex3f(endPos.x, endPos.y, endPos.z); + rlEnd(); +} + // Draw cube // NOTE: Cube position is the center position void DrawCube(Vector3 position, float width, float height, float length, Color color) @@ -292,9 +302,9 @@ void DrawSphereEx(Vector3 centerPos, float radius, int rings, int slices, Color rlBegin(RL_TRIANGLES); rlColor4ub(color.r, color.g, color.b, color.a); - for(int i = 0; i < (rings + 2); i++) + for (int i = 0; i < (rings + 2); i++) { - for(int j = 0; j < slices; j++) + for (int j = 0; j < slices; j++) { rlVertex3f(cos(DEG2RAD*(270+(180/(rings + 1))*i)) * sin(DEG2RAD*(j*360/slices)), sin(DEG2RAD*(270+(180/(rings + 1))*i)), @@ -331,9 +341,9 @@ void DrawSphereWires(Vector3 centerPos, float radius, int rings, int slices, Col rlBegin(RL_LINES); rlColor4ub(color.r, color.g, color.b, color.a); - for(int i = 0; i < (rings + 2); i++) + for (int i = 0; i < (rings + 2); i++) { - for(int j = 0; j < slices; j++) + for (int j = 0; j < slices; j++) { rlVertex3f(cos(DEG2RAD*(270+(180/(rings + 1))*i)) * sin(DEG2RAD*(j*360/slices)), sin(DEG2RAD*(270+(180/(rings + 1))*i)), @@ -376,7 +386,7 @@ void DrawCylinder(Vector3 position, float radiusTop, float radiusBottom, float h if (radiusTop > 0) { // Draw Body ------------------------------------------------------------------------------------- - for(int i = 0; i < 360; i += 360/sides) + for (int i = 0; i < 360; i += 360/sides) { rlVertex3f(sin(DEG2RAD*i) * radiusBottom, 0, cos(DEG2RAD*i) * radiusBottom); //Bottom Left rlVertex3f(sin(DEG2RAD*(i+360/sides)) * radiusBottom, 0, cos(DEG2RAD*(i+360/sides)) * radiusBottom); //Bottom Right @@ -388,7 +398,7 @@ void DrawCylinder(Vector3 position, float radiusTop, float radiusBottom, float h } // Draw Cap -------------------------------------------------------------------------------------- - for(int i = 0; i < 360; i += 360/sides) + for (int i = 0; i < 360; i += 360/sides) { rlVertex3f(0, height, 0); rlVertex3f(sin(DEG2RAD*i) * radiusTop, height, cos(DEG2RAD*i) * radiusTop); @@ -398,7 +408,7 @@ void DrawCylinder(Vector3 position, float radiusTop, float radiusBottom, float h else { // Draw Cone ------------------------------------------------------------------------------------- - for(int i = 0; i < 360; i += 360/sides) + for (int i = 0; i < 360; i += 360/sides) { rlVertex3f(0, height, 0); rlVertex3f(sin(DEG2RAD*i) * radiusBottom, 0, cos(DEG2RAD*i) * radiusBottom); @@ -407,7 +417,7 @@ void DrawCylinder(Vector3 position, float radiusTop, float radiusBottom, float h } // Draw Base ----------------------------------------------------------------------------------------- - for(int i = 0; i < 360; i += 360/sides) + for (int i = 0; i < 360; i += 360/sides) { rlVertex3f(0, 0, 0); rlVertex3f(sin(DEG2RAD*(i+360/sides)) * radiusBottom, 0, cos(DEG2RAD*(i+360/sides)) * radiusBottom); @@ -421,7 +431,7 @@ void DrawCylinder(Vector3 position, float radiusTop, float radiusBottom, float h // NOTE: It could be also used for pyramid and cone void DrawCylinderWires(Vector3 position, float radiusTop, float radiusBottom, float height, int sides, Color color) { - if(sides < 3) sides = 3; + if (sides < 3) sides = 3; rlPushMatrix(); rlTranslatef(position.x, position.y, position.z); @@ -429,7 +439,7 @@ void DrawCylinderWires(Vector3 position, float radiusTop, float radiusBottom, fl rlBegin(RL_LINES); rlColor4ub(color.r, color.g, color.b, color.a); - for(int i = 0; i < 360; i += 360/sides) + for (int i = 0; i < 360; i += 360/sides) { rlVertex3f(sin(DEG2RAD*i) * radiusBottom, 0, cos(DEG2RAD*i) * radiusBottom); rlVertex3f(sin(DEG2RAD*(i+360/sides)) * radiusBottom, 0, cos(DEG2RAD*(i+360/sides)) * radiusBottom); @@ -490,7 +500,7 @@ void DrawGrid(int slices, float spacing) int halfSlices = slices / 2; rlBegin(RL_LINES); - for(int i = -halfSlices; i <= halfSlices; i++) + for (int i = -halfSlices; i <= halfSlices; i++) { if (i == 0) { @@ -732,13 +742,13 @@ Material LoadDefaultMaterial(void) return material; } -// Load standard material (uses standard models shader) +// Load standard material (uses material attributes and lighting shader) // NOTE: Standard shader supports multiple maps and lights Material LoadStandardMaterial(void) { Material material = LoadDefaultMaterial(); - //material.shader = GetStandardShader(); + material.shader = GetStandardShader(); return material; } @@ -788,9 +798,9 @@ static Mesh GenMeshHeightmap(Image heightmap, Vector3 size) Vector3 scaleFactor = { size.x/mapX, size.y/255.0f, size.z/mapZ }; - for(int z = 0; z < mapZ-1; z++) + for (int z = 0; z < mapZ-1; z++) { - for(int x = 0; x < mapX-1; x++) + for (int x = 0; x < mapX-1; x++) { // Fill vertices array with data //---------------------------------------------------------- @@ -1240,7 +1250,7 @@ void DrawModelEx(Model model, Vector3 position, Vector3 rotationAxis, float rota //Matrix matModel = MatrixMultiply(model.transform, matTransform); // Transform to world-space coordinates model.transform = MatrixMultiply(MatrixMultiply(matScale, matRotation), matTranslation); - model.material.colDiffuse = tint; + // model.material.colDiffuse = tint; rlglDrawMesh(model.mesh, model.material, model.transform); } @@ -1407,7 +1417,7 @@ bool CheckCollisionRaySphere(Ray ray, Vector3 spherePosition, float sphereRadius float vector = VectorDotProduct(raySpherePos, ray.direction); float d = sphereRadius*sphereRadius - (distance*distance - vector*vector); - if(d >= 0.0f) collision = true; + if (d >= 0.0f) collision = true; return collision; } @@ -1422,14 +1432,14 @@ bool CheckCollisionRaySphereEx(Ray ray, Vector3 spherePosition, float sphereRadi float vector = VectorDotProduct(raySpherePos, ray.direction); float d = sphereRadius*sphereRadius - (distance*distance - vector*vector); - if(d >= 0.0f) collision = true; + if (d >= 0.0f) collision = true; // Calculate collision point Vector3 offset = ray.direction; float collisionDistance = 0; // Check if ray origin is inside the sphere to calculate the correct collision point - if(distance < sphereRadius) collisionDistance = vector + sqrt(d); + if (distance < sphereRadius) collisionDistance = vector + sqrt(d); else collisionDistance = vector - sqrt(d); VectorScale(&offset, collisionDistance); @@ -1767,11 +1777,11 @@ static Mesh LoadOBJ(const char *fileName) // First reading pass: Get numVertex, numNormals, numTexCoords, numTriangles // NOTE: vertex, texcoords and normals could be optimized (to be used indexed on faces definition) // NOTE: faces MUST be defined as TRIANGLES (3 vertex per face) - while(!feof(objFile)) + while (!feof(objFile)) { fscanf(objFile, "%c", &dataType); - switch(dataType) + switch (dataType) { case '#': // Comments case 'o': // Object name (One OBJ file can contain multible named meshes) @@ -1832,11 +1842,11 @@ static Mesh LoadOBJ(const char *fileName) // Second reading pass: Get vertex data to fill intermediate arrays // NOTE: This second pass is required in case of multiple meshes defined in same OBJ // TODO: Consider that different meshes can have different vertex data available (position, texcoords, normals) - while(!feof(objFile)) + while (!feof(objFile)) { fscanf(objFile, "%c", &dataType); - switch(dataType) + switch (dataType) { case '#': case 'o': case 'g': case 's': case 'm': case 'u': case 'f': fgets(comments, 200, objFile); break; case 'v': @@ -1893,11 +1903,11 @@ static Mesh LoadOBJ(const char *fileName) if (numNormals == 0) TraceLog(INFO, "[%s] No normals data on OBJ, normals will be generated from faces data", fileName); // Third reading pass: Get faces (triangles) data and fill VertexArray - while(!feof(objFile)) + while (!feof(objFile)) { fscanf(objFile, "%c", &dataType); - switch(dataType) + switch (dataType) { case '#': case 'o': case 'g': case 's': case 'm': case 'u': case 'v': fgets(comments, 200, objFile); break; case 'f': @@ -2013,7 +2023,7 @@ static Material LoadMTL(const char *fileName) return material; } - while(!feof(mtlFile)) + while (!feof(mtlFile)) { fgets(buffer, MAX_BUFFER_SIZE, mtlFile); @@ -2071,8 +2081,7 @@ static Material LoadMTL(const char *fileName) int shininess = 0; sscanf(buffer, "Ns %i", &shininess); - // Normalize shininess value to material glossiness attribute - material.glossiness = (float)shininess/1000; + material.glossiness = (float)shininess; } else if (buffer[1] == 'i') // Ni int Refraction index. { diff --git a/src/raylib.h b/src/raylib.h index d98a0797..9cd02fd8 100644 --- a/src/raylib.h +++ b/src/raylib.h @@ -398,7 +398,7 @@ typedef struct Shader { // Uniform locations int mvpLoc; // ModelView-Projection matrix uniform location point (vertex shader) - int tintColorLoc; // Color uniform location point (fragment shader) + int tintColorLoc; // Diffuse color uniform location point (fragment shader) // Texture map locations int mapDiffuseLoc; // Diffuse map texture uniform location point (fragment shader) @@ -418,7 +418,7 @@ typedef struct Material { Color colAmbient; // Ambient color Color colSpecular; // Specular color - float glossiness; // Glossiness level + float glossiness; // Glossiness level (Ranges from 0 to 1000) float normalDepth; // Normal map depth } Material; @@ -430,25 +430,19 @@ typedef struct Model { } Model; // Light type -// TODO: Review contained data to support different light types and features typedef struct LightData { int id; int type; // LIGHT_POINT, LIGHT_DIRECTIONAL, LIGHT_SPOT bool enabled; Vector3 position; - Vector3 direction; // Used on LIGHT_DIRECTIONAL and LIGHT_SPOT (cone direction) - float attenuation; // Lost of light intensity with distance (use radius?) + Vector3 target; // Used on LIGHT_DIRECTIONAL and LIGHT_SPOT (cone direction target) + float attenuation; // Lost of light intensity with distance (world distance) - Color diffuse; // Use Vector3 diffuse (including intensities)? + Color diffuse; // Use Vector3 diffuse float intensity; - Color specular; - //float specFactor; // Specular intensity ? - - //Color ambient; // Required? - - float coneAngle; // SpotLight + float coneAngle; // Spot light max angle } LightData, *Light; // Light types @@ -808,6 +802,7 @@ const char *SubText(const char *text, int position, int length); //------------------------------------------------------------------------------------ // Basic 3d Shapes Drawing Functions (Module: models) //------------------------------------------------------------------------------------ +void Draw3DLine(Vector3 startPos, Vector3 endPos, Color color); // Draw a line in 3D world space void DrawCube(Vector3 position, float width, float height, float lenght, Color color); // Draw cube void DrawCubeV(Vector3 position, Vector3 size, Color color); // Draw cube (Vector version) void DrawCubeWires(Vector3 position, float width, float height, float lenght, Color color); // Draw cube wires @@ -836,6 +831,7 @@ void SetModelTexture(Model *model, Texture2D texture); // Link a textur Material LoadMaterial(const char *fileName); // Load material data (from file) Material LoadDefaultMaterial(void); // Load default material (uses default models shader) +Material LoadStandardMaterial(void); // Load standard material (uses material attributes and lighting shader) void UnloadMaterial(Material material); // Unload material textures from VRAM void DrawModel(Model model, Vector3 position, float scale, Color tint); // Draw a model (with texture if set) @@ -865,6 +861,7 @@ void UnloadShader(Shader shader); // Unload a void SetDefaultShader(void); // Set default shader to be used in batch draw void SetCustomShader(Shader shader); // Set custom shader to be used in batch draw Shader GetDefaultShader(void); // Get default shader +Shader GetStandardShader(void); // Get default shader Texture2D GetDefaultTexture(void); // Get default texture int GetShaderLocation(Shader shader, const char *uniformName); // Get shader uniform location @@ -875,6 +872,7 @@ void SetShaderValueMatrix(Shader shader, int uniformLoc, Matrix mat); // S void SetBlendMode(int mode); // Set blending mode (alpha, additive, multiplied) Light CreateLight(int type, Vector3 position, Color diffuse); // Create a new light, initialize it and add to pool +void DrawLights(void); // Draw all created lights in 3D world void DestroyLight(Light light); // Destroy a light and take it out of the list //---------------------------------------------------------------------------------- @@ -191,6 +191,7 @@ static bool useTempBuffer = false; // Shader Programs static Shader defaultShader; +static Shader standardShader; static Shader currentShader; // By default, defaultShader // Flags for supported extensions @@ -236,6 +237,7 @@ static Shader LoadDefaultShader(void); // Load default shader (just vertex static Shader LoadStandardShader(void); // Load standard shader (support materials and lighting) static void LoadDefaultShaderLocations(Shader *shader); // Bind default shader locations (attributes and uniforms) static void UnloadDefaultShader(void); // Unload default shader +static void UnloadStandardShader(void); // Unload standard shader static void LoadDefaultBuffers(void); // Load default internal buffers (lines, triangles, quads) static void UpdateDefaultBuffers(void); // Update default internal buffers (VAOs/VBOs) with vertex data @@ -1018,6 +1020,7 @@ void rlglInit(void) // Init default Shader (customized for GL 3.3 and ES2) defaultShader = LoadDefaultShader(); + standardShader = LoadStandardShader(); currentShader = defaultShader; LoadDefaultBuffers(); // Initialize default vertex arrays buffers (lines, triangles, quads) @@ -1046,6 +1049,7 @@ void rlglClose(void) { #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) UnloadDefaultShader(); + UnloadStandardShader(); UnloadDefaultBuffers(); // Delete default white texture @@ -1393,7 +1397,7 @@ RenderTexture2D rlglLoadRenderTexture(int width, int height) { TraceLog(WARNING, "Framebuffer object could not be created..."); - switch(status) + switch (status) { case GL_FRAMEBUFFER_UNSUPPORTED: TraceLog(WARNING, "Framebuffer is unsupported"); break; case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT: TraceLog(WARNING, "Framebuffer incomplete attachment"); break; @@ -1757,19 +1761,33 @@ void rlglDrawMesh(Mesh mesh, Material material, Matrix transform) // Send combined model-view-projection matrix to shader glUniformMatrix4fv(material.shader.mvpLoc, 1, false, MatrixToFloat(matMVP)); - - // Setup shader uniforms for material related data - // TODO: Check if using standard shader to get location points // Upload to shader material.colDiffuse float vColorDiffuse[4] = { (float)material.colDiffuse.r/255, (float)material.colDiffuse.g/255, (float)material.colDiffuse.b/255, (float)material.colDiffuse.a/255 }; glUniform4fv(material.shader.tintColorLoc, 1, vColorDiffuse); + + // Check if using standard shader to get location points + // NOTE: standard shader specific locations are got at render time to keep Shader struct as simple as possible (with just default shader locations) + if (material.shader.id == standardShader.id) + { + // Send model transformations matrix to shader + glUniformMatrix4fv(glGetUniformLocation(material.shader.id, "modelMatrix"), 1, false, MatrixToFloat(transform)); + + // Send view transformation matrix to shader. View matrix 8, 9 and 10 are view direction vector axis values (target - position) + glUniform3f(glGetUniformLocation(material.shader.id, "viewDir"), matView.m8, matView.m9, matView.m10); + + // Setup shader uniforms for lights + SetShaderLights(material.shader); + + // Upload to shader material.colAmbient + glUniform4f(glGetUniformLocation(material.shader.id, "colAmbient"), (float)material.colAmbient.r/255, (float)material.colAmbient.g/255, (float)material.colAmbient.b/255, (float)material.colAmbient.a/255); + + // Upload to shader material.colSpecular + glUniform4f(glGetUniformLocation(material.shader.id, "colSpecular"), (float)material.colSpecular.r/255, (float)material.colSpecular.g/255, (float)material.colSpecular.b/255, (float)material.colSpecular.a/255); - // TODO: Upload to shader material.colAmbient - // glUniform4f(???, (float)material.colAmbient.r/255, (float)material.colAmbient.g/255, (float)material.colAmbient.b/255, (float)material.colAmbient.a/255); - - // TODO: Upload to shader material.colSpecular - // glUniform4f(???, (float)material.colSpecular.r/255, (float)material.colSpecular.g/255, (float)material.colSpecular.b/255, (float)material.colSpecular.a/255); + // Upload to shader glossiness + glUniform1f(glGetUniformLocation(material.shader.id, "glossiness"), material.glossiness); + } // Set shader textures (diffuse, normal, specular) glActiveTexture(GL_TEXTURE0); @@ -1791,13 +1809,7 @@ void rlglDrawMesh(Mesh mesh, Material material, Matrix transform) glActiveTexture(GL_TEXTURE2); glBindTexture(GL_TEXTURE_2D, material.texSpecular.id); glUniform1i(material.shader.mapSpecularLoc, 2); // Texture fits in active texture unit 2 - - // TODO: Upload to shader glossiness - //glUniform1f(???, material.glossiness); } - - // Setup shader uniforms for lights - //SetShaderLights(material.shader); if (vaoSupported) { @@ -2148,6 +2160,17 @@ Shader GetDefaultShader(void) #endif } +// Get default shader +Shader GetStandardShader(void) +{ +#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) + return standardShader; +#else + Shader shader = { 0 }; + return shader; +#endif +} + // Get shader uniform location int GetShaderLocation(Shader shader, const char *uniformName) { @@ -2225,7 +2248,6 @@ void SetBlendMode(int mode) } // Create a new light, initialize it and add to pool -// TODO: Review creation parameters (only generic ones) Light CreateLight(int type, Vector3 position, Color diffuse) { // Allocate dynamic memory @@ -2237,10 +2259,9 @@ Light CreateLight(int type, Vector3 position, Color diffuse) light->enabled = true; light->position = position; - light->direction = (Vector3){ 0.0f, 0.0f, 0.0f }; + light->target = (Vector3){ 0.0f, 0.0f, 0.0f }; light->intensity = 1.0f; light->diffuse = diffuse; - light->specular = WHITE; // Add new light to the array lights[lightsCount] = light; @@ -2251,6 +2272,31 @@ Light CreateLight(int type, Vector3 position, Color diffuse) return light; } +// Draw all created lights in 3D world +void DrawLights(void) +{ + for (int i = 0; i < lightsCount; i++) + { + switch (lights[i]->type) + { + case LIGHT_POINT: DrawSphereWires(lights[i]->position, 0.3f*lights[i]->intensity, 4, 8, (lights[i]->enabled ? lights[i]->diffuse : BLACK)); break; + case LIGHT_DIRECTIONAL: + { + Draw3DLine(lights[i]->position, lights[i]->target, (lights[i]->enabled ? lights[i]->diffuse : BLACK)); + DrawSphereWires(lights[i]->position, 0.3f*lights[i]->intensity, 4, 8, (lights[i]->enabled ? lights[i]->diffuse : BLACK)); + DrawCubeWires(lights[i]->target, 0.3f, 0.3f, 0.3f, (lights[i]->enabled ? lights[i]->diffuse : BLACK)); + } break; + case LIGHT_SPOT: + { + Draw3DLine(lights[i]->position, lights[i]->target, (lights[i]->enabled ? lights[i]->diffuse : BLACK)); + DrawCylinderWires(lights[i]->position, 0.0f, 0.3f*lights[i]->coneAngle/50, 0.6f, 5, (lights[i]->enabled ? lights[i]->diffuse : BLACK)); + DrawCubeWires(lights[i]->target, 0.3f, 0.3f, 0.3f, (lights[i]->enabled ? lights[i]->diffuse : BLACK)); + } break; + default: break; + } + } +} + // Destroy a light and take it out of the list void DestroyLight(Light light) { @@ -2468,15 +2514,15 @@ static Shader LoadDefaultShader(void) "varying vec4 fragColor; \n" #endif "uniform sampler2D texture0; \n" - "uniform vec4 fragTintColor; \n" + "uniform vec4 colDiffuse; \n" "void main() \n" "{ \n" #if defined(GRAPHICS_API_OPENGL_33) " vec4 texelColor = texture(texture0, fragTexCoord); \n" - " finalColor = texelColor*fragTintColor*fragColor; \n" + " finalColor = texelColor*colDiffuse*fragColor; \n" #elif defined(GRAPHICS_API_OPENGL_ES2) " vec4 texelColor = texture2D(texture0, fragTexCoord); \n" // NOTE: texture2D() is deprecated on OpenGL 3.3 and ES 3.0 - " gl_FragColor = texelColor*fragTintColor*fragColor; \n" + " gl_FragColor = texelColor*colDiffuse*fragColor; \n" #endif "} \n"; @@ -2493,25 +2539,17 @@ static Shader LoadDefaultShader(void) // Load standard shader // NOTE: This shader supports: // - Up to 3 different maps: diffuse, normal, specular -// - Material properties: colDiffuse, colAmbient, colSpecular, glossiness, normalDepth +// - Material properties: colAmbient, colDiffuse, colSpecular, glossiness, normalDepth // - Up to 8 lights: Point, Directional or Spot static Shader LoadStandardShader(void) { - Shader shader; - - char *vShaderStr; - char *fShaderStr; - - // TODO: Implement standard uber-shader, supporting all features (GLSL 100 / GLSL 330) - - // NOTE: Shader could be quite extensive so it could be implemented in external files (standard.vs/standard.fs) - - shader.id = LoadShaderProgram(vShaderStr, fShaderStr); + // Load standard shader (TODO: rewrite as char pointers) + Shader shader = LoadShader("resources/shaders/standard.vs", "resources/shaders/standard.fs"); if (shader.id != 0) TraceLog(INFO, "[SHDR ID %i] Standard shader loaded successfully", shader.id); else TraceLog(WARNING, "[SHDR ID %i] Standard shader could not be loaded", shader.id); - if (shader.id != 0) LoadDefaultShaderLocations(&shader); // TODO: Review locations fetching + if (shader.id != 0) LoadDefaultShaderLocations(&shader); return shader; } @@ -2540,7 +2578,7 @@ static void LoadDefaultShaderLocations(Shader *shader) shader->mvpLoc = glGetUniformLocation(shader->id, "mvpMatrix"); // Get handles to GLSL uniform locations (fragment shader) - shader->tintColorLoc = glGetUniformLocation(shader->id, "fragTintColor"); + shader->tintColorLoc = glGetUniformLocation(shader->id, "colDiffuse"); shader->mapDiffuseLoc = glGetUniformLocation(shader->id, "texture0"); shader->mapNormalLoc = glGetUniformLocation(shader->id, "texture1"); shader->mapSpecularLoc = glGetUniformLocation(shader->id, "texture2"); @@ -2554,10 +2592,23 @@ static void UnloadDefaultShader(void) //glDetachShader(defaultShader, vertexShader); //glDetachShader(defaultShader, fragmentShader); //glDeleteShader(vertexShader); // Already deleted on shader compilation - //glDeleteShader(fragmentShader); // Already deleted on sahder compilation + //glDeleteShader(fragmentShader); // Already deleted on shader compilation glDeleteProgram(defaultShader.id); } +// Unload standard shader +static void UnloadStandardShader(void) +{ + glUseProgram(0); + + //glDetachShader(defaultShader, vertexShader); + //glDetachShader(defaultShader, fragmentShader); + //glDeleteShader(vertexShader); // Already deleted on shader compilation + //glDeleteShader(fragmentShader); // Already deleted on shader compilation + glDeleteProgram(standardShader.id); +} + + // Load default internal buffers (lines, triangles, quads) static void LoadDefaultBuffers(void) { @@ -3003,58 +3054,75 @@ static void UnloadDefaultBuffers(void) // Sets shader uniform values for lights array // NOTE: It would be far easier with shader UBOs but are not supported on OpenGL ES 2.0f -// TODO: Review memcpy() and parameters pass static void SetShaderLights(Shader shader) { - /* - // NOTE: Standard Shader must include the following data: - - // Shader Light struct - struct Light { - vec3 position; - vec3 direction; - - vec3 diffuse; - float intensity; - } - - const int maxLights = 8; - uniform int lightsCount; // Number of lights - uniform Light lights[maxLights]; - */ + int locPoint = glGetUniformLocation(shader.id, "lightsCount"); + glUniform1i(locPoint, lightsCount); - int locPoint; char locName[32] = "lights[x].position\0"; - - glUseProgram(shader.id); - - locPoint = glGetUniformLocation(shader.id, "lightsCount"); - glUniform1i(locPoint, lightsCount); for (int i = 0; i < lightsCount; i++) { locName[7] = '0' + i; - memcpy(&locName[10], "position\0", strlen("position\0")); - locPoint = glGetUniformLocation(shader.id, locName); - glUniform3f(locPoint, lights[i]->position.x, lights[i]->position.y, lights[i]->position.z); + memcpy(&locName[10], "enabled\0", strlen("enabled\0") + 1); + locPoint = GetShaderLocation(shader, locName); + glUniform1i(locPoint, lights[i]->enabled); - memcpy(&locName[10], "direction\0", strlen("direction\0")); - locPoint = glGetUniformLocation(shader.id, locName); - glUniform3f(locPoint, lights[i]->direction.x, lights[i]->direction.y, lights[i]->direction.z); - - memcpy(&locName[10], "diffuse\0", strlen("diffuse\0")); + memcpy(&locName[10], "type\0", strlen("type\0") + 1); + locPoint = GetShaderLocation(shader, locName); + glUniform1i(locPoint, lights[i]->type); + + memcpy(&locName[10], "diffuse\0", strlen("diffuse\0") + 2); locPoint = glGetUniformLocation(shader.id, locName); - glUniform4f(locPoint, (float)lights[i]->diffuse.r/255, (float)lights[i]->diffuse.g/255, (float)lights[i]->diffuse.b/255, (float)lights[i]->diffuse.a/255 ); + glUniform4f(locPoint, (float)lights[i]->diffuse.r/255, (float)lights[i]->diffuse.g/255, (float)lights[i]->diffuse.b/255, (float)lights[i]->diffuse.a/255); memcpy(&locName[10], "intensity\0", strlen("intensity\0")); locPoint = glGetUniformLocation(shader.id, locName); glUniform1f(locPoint, lights[i]->intensity); + switch (lights[i]->type) + { + case LIGHT_POINT: + { + memcpy(&locName[10], "position\0", strlen("position\0") + 1); + locPoint = GetShaderLocation(shader, locName); + glUniform3f(locPoint, lights[i]->position.x, lights[i]->position.y, lights[i]->position.z); + + memcpy(&locName[10], "attenuation\0", strlen("attenuation\0")); + locPoint = GetShaderLocation(shader, locName); + glUniform1f(locPoint, lights[i]->attenuation); + } break; + case LIGHT_DIRECTIONAL: + { + memcpy(&locName[10], "direction\0", strlen("direction\0") + 2); + locPoint = GetShaderLocation(shader, locName); + Vector3 direction = { lights[i]->target.x - lights[i]->position.x, lights[i]->target.y - lights[i]->position.y, lights[i]->target.z - lights[i]->position.z }; + VectorNormalize(&direction); + glUniform3f(locPoint, direction.x, direction.y, direction.z); + } break; + case LIGHT_SPOT: + { + memcpy(&locName[10], "position\0", strlen("position\0") + 1); + locPoint = GetShaderLocation(shader, locName); + glUniform3f(locPoint, lights[i]->position.x, lights[i]->position.y, lights[i]->position.z); + + memcpy(&locName[10], "direction\0", strlen("direction\0") + 2); + locPoint = GetShaderLocation(shader, locName); + + Vector3 direction = { lights[i]->target.x - lights[i]->position.x, lights[i]->target.y - lights[i]->position.y, lights[i]->target.z - lights[i]->position.z }; + VectorNormalize(&direction); + glUniform3f(locPoint, direction.x, direction.y, direction.z); + + memcpy(&locName[10], "coneAngle\0", strlen("coneAngle\0")); + locPoint = GetShaderLocation(shader, locName); + glUniform1f(locPoint, lights[i]->coneAngle); + } break; + default: break; + } + // TODO: Pass to the shader any other required data from LightData struct } - - glUseProgram(0); } // Read text data from file @@ -3227,7 +3295,7 @@ static void TraceLog(int msgType, const char *text, ...) va_list args; va_start(args, text); - switch(msgType) + switch (msgType) { case INFO: fprintf(stdout, "INFO: "); break; case ERROR: fprintf(stdout, "ERROR: "); break; @@ -196,40 +196,34 @@ typedef enum { OPENGL_11 = 1, OPENGL_33, OPENGL_ES_20 } GlVersion; // Material type typedef struct Material { - Shader shader; + Shader shader; // Standard shader (supports 3 map types: diffuse, normal, specular) - Texture2D texDiffuse; // Diffuse texture - Texture2D texNormal; // Normal texture - Texture2D texSpecular; // Specular texture + Texture2D texDiffuse; // Diffuse texture + Texture2D texNormal; // Normal texture + Texture2D texSpecular; // Specular texture - Color colDiffuse; - Color colAmbient; - Color colSpecular; + Color colDiffuse; // Diffuse color + Color colAmbient; // Ambient color + Color colSpecular; // Specular color - float glossiness; - float normalDepth; + float glossiness; // Glossiness level (Ranges from 0 to 1000) + float normalDepth; // Normal map depth } Material; // Light type - // TODO: Review contained data to support different light types and features typedef struct LightData { int id; int type; // LIGHT_POINT, LIGHT_DIRECTIONAL, LIGHT_SPOT bool enabled; Vector3 position; - Vector3 direction; // Used on LIGHT_DIRECTIONAL and LIGHT_SPOT (cone direction) - float attenuation; // Lost of light intensity with distance (use radius?) + Vector3 target; // Used on LIGHT_DIRECTIONAL and LIGHT_SPOT (cone direction target) + float attenuation; // Lost of light intensity with distance (world distance) - Color diffuse; // Use Vector3 diffuse (including intensities)? + Color diffuse; // Use Vector3 diffuse float intensity; - Color specular; - //float specFactor; // Specular intensity ? - - //Color ambient; // Required? - - float coneAngle; // SpotLight + float coneAngle; // Spot light max angle } LightData, *Light; // Color blending modes (pre-defined) |