REVIEWED: Added new mechanism to avoid data types collision between modules that share same data types and can be used in standalone mode

examples/others/rlgl_standalone.c

@@ -48,14 +48,12 @@
 *
 ********************************************************************************************/
 
-#define RAYMATH_STANDALONE
-#define RAYMATH_HEADER_ONLY
-#include "raymath.h"            // Vector3, Quaternion and Matrix functionality
-
 #define RLGL_IMPLEMENTATION
-#define RLGL_STANDALONE
 #include "rlgl.h"               // OpenGL abstraction layer to OpenGL 1.1, 3.3+ or ES2
 
+#define RAYMATH_STATIC_INLINE
+#include "raymath.h"            // Vector3, Quaternion and Matrix functionality
+
 #if defined(__EMSCRIPTEN__)
     #define GLFW_INCLUDE_ES2
 #endif
@@ -79,21 +77,6 @@ typedef struct Color {
     unsigned char a;        // Color alpha value
 } Color;
 
-#if !defined(RAYMATH_STANDALONE)
-// Vector2, 2 components
-typedef struct Vector2 {
-    float x;                // Vector x component
-    float y;                // Vector y component
-} Vector2;
-
-// Vector3, 3 components
-typedef struct Vector3 {
-    float x;                // Vector x component
-    float y;                // Vector y component
-    float z;                // Vector z component
-} Vector3;
-#endif
-
 // Camera type, defines a camera position/orientation in 3d space
 typedef struct Camera {
     Vector3 position;       // Camera position

src/config.h

@@ -106,22 +106,22 @@
 
 // Default shader vertex attribute names to set location points
 // NOTE: When a new shader is loaded, the following locations are tried to be set for convenience
-#define DEFAULT_SHADER_ATTRIB_NAME_POSITION     "vertexPosition"    // Binded by default to shader location: 0
-#define DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD     "vertexTexCoord"    // Binded by default to shader location: 1
-#define DEFAULT_SHADER_ATTRIB_NAME_NORMAL       "vertexNormal"      // Binded by default to shader location: 2
-#define DEFAULT_SHADER_ATTRIB_NAME_COLOR        "vertexColor"       // Binded by default to shader location: 3
-#define DEFAULT_SHADER_ATTRIB_NAME_TANGENT      "vertexTangent"     // Binded by default to shader location: 4
-#define DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD2    "vertexTexCoord2"   // Binded by default to shader location: 5
-
-#define DEFAULT_SHADER_UNIFORM_NAME_MVP         "mvp"               // model-view-projection matrix
-#define DEFAULT_SHADER_UNIFORM_NAME_VIEW        "matView"           // view matrix
-#define DEFAULT_SHADER_UNIFORM_NAME_PROJECTION  "matProjection"     // projection matrix
-#define DEFAULT_SHADER_UNIFORM_NAME_MODEL       "matModel"          // model matrix
-#define DEFAULT_SHADER_UNIFORM_NAME_NORMAL      "matNormal"         // normal matrix (transpose(inverse(matModelView))
-#define DEFAULT_SHADER_UNIFORM_NAME_COLOR       "colDiffuse"        // color diffuse (base tint color, multiplied by texture color)
-#define DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE0  "texture0"          // texture0 (texture slot active 0)
-#define DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE1  "texture1"          // texture1 (texture slot active 1)
-#define DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE2  "texture2"          // texture2 (texture slot active 2)
+#define RL_DEFAULT_SHADER_ATTRIB_NAME_POSITION     "vertexPosition"    // Binded by default to shader location: 0
+#define RL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD     "vertexTexCoord"    // Binded by default to shader location: 1
+#define RL_DEFAULT_SHADER_ATTRIB_NAME_NORMAL       "vertexNormal"      // Binded by default to shader location: 2
+#define RL_DEFAULT_SHADER_ATTRIB_NAME_COLOR        "vertexColor"       // Binded by default to shader location: 3
+#define RL_DEFAULT_SHADER_ATTRIB_NAME_TANGENT      "vertexTangent"     // Binded by default to shader location: 4
+#define RL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD2    "vertexTexCoord2"   // Binded by default to shader location: 5
+
+#define RL_DEFAULT_SHADER_UNIFORM_NAME_MVP         "mvp"               // model-view-projection matrix
+#define RL_DEFAULT_SHADER_UNIFORM_NAME_VIEW        "matView"           // view matrix
+#define RL_DEFAULT_SHADER_UNIFORM_NAME_PROJECTION  "matProjection"     // projection matrix
+#define RL_DEFAULT_SHADER_UNIFORM_NAME_MODEL       "matModel"          // model matrix
+#define RL_DEFAULT_SHADER_UNIFORM_NAME_NORMAL      "matNormal"         // normal matrix (transpose(inverse(matModelView))
+#define RL_DEFAULT_SHADER_UNIFORM_NAME_COLOR       "colDiffuse"        // color diffuse (base tint color, multiplied by texture color)
+#define RL_DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE0  "texture0"          // texture0 (texture slot active 0)
+#define RL_DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE1  "texture1"          // texture1 (texture slot active 1)
+#define RL_DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE2  "texture2"          // texture2 (texture slot active 2)
 
 
 //------------------------------------------------------------------------------------

src/core.c

@@ -2317,25 +2317,25 @@ RLAPI Shader LoadShaderFromMemory(const char *vsCode, const char *fsCode)
         // NOTE: If any location is not found, loc point becomes -1
 
         // Get handles to GLSL input attibute locations
-        shader.locs[SHADER_LOC_VERTEX_POSITION] = rlGetLocationAttrib(shader.id, DEFAULT_SHADER_ATTRIB_NAME_POSITION);
-        shader.locs[SHADER_LOC_VERTEX_TEXCOORD01] = rlGetLocationAttrib(shader.id, DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD);
-        shader.locs[SHADER_LOC_VERTEX_TEXCOORD02] = rlGetLocationAttrib(shader.id, DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD2);
-        shader.locs[SHADER_LOC_VERTEX_NORMAL] = rlGetLocationAttrib(shader.id, DEFAULT_SHADER_ATTRIB_NAME_NORMAL);
-        shader.locs[SHADER_LOC_VERTEX_TANGENT] = rlGetLocationAttrib(shader.id, DEFAULT_SHADER_ATTRIB_NAME_TANGENT);
-        shader.locs[SHADER_LOC_VERTEX_COLOR] = rlGetLocationAttrib(shader.id, DEFAULT_SHADER_ATTRIB_NAME_COLOR);
+        shader.locs[SHADER_LOC_VERTEX_POSITION] = rlGetLocationAttrib(shader.id, RL_DEFAULT_SHADER_ATTRIB_NAME_POSITION);
+        shader.locs[SHADER_LOC_VERTEX_TEXCOORD01] = rlGetLocationAttrib(shader.id, RL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD);
+        shader.locs[SHADER_LOC_VERTEX_TEXCOORD02] = rlGetLocationAttrib(shader.id, RL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD2);
+        shader.locs[SHADER_LOC_VERTEX_NORMAL] = rlGetLocationAttrib(shader.id, RL_DEFAULT_SHADER_ATTRIB_NAME_NORMAL);
+        shader.locs[SHADER_LOC_VERTEX_TANGENT] = rlGetLocationAttrib(shader.id, RL_DEFAULT_SHADER_ATTRIB_NAME_TANGENT);
+        shader.locs[SHADER_LOC_VERTEX_COLOR] = rlGetLocationAttrib(shader.id, RL_DEFAULT_SHADER_ATTRIB_NAME_COLOR);
 
         // Get handles to GLSL uniform locations (vertex shader)
-        shader.locs[SHADER_LOC_MATRIX_MVP] = rlGetLocationUniform(shader.id, DEFAULT_SHADER_UNIFORM_NAME_MVP);
-        shader.locs[SHADER_LOC_MATRIX_VIEW] = rlGetLocationUniform(shader.id, DEFAULT_SHADER_UNIFORM_NAME_VIEW);
-        shader.locs[SHADER_LOC_MATRIX_PROJECTION] = rlGetLocationUniform(shader.id, DEFAULT_SHADER_UNIFORM_NAME_PROJECTION);
-        shader.locs[SHADER_LOC_MATRIX_MODEL] = rlGetLocationUniform(shader.id, DEFAULT_SHADER_UNIFORM_NAME_MODEL);
-        shader.locs[SHADER_LOC_MATRIX_NORMAL] = rlGetLocationUniform(shader.id, DEFAULT_SHADER_UNIFORM_NAME_NORMAL);
+        shader.locs[SHADER_LOC_MATRIX_MVP] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_UNIFORM_NAME_MVP);
+        shader.locs[SHADER_LOC_MATRIX_VIEW] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_UNIFORM_NAME_VIEW);
+        shader.locs[SHADER_LOC_MATRIX_PROJECTION] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_UNIFORM_NAME_PROJECTION);
+        shader.locs[SHADER_LOC_MATRIX_MODEL] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_UNIFORM_NAME_MODEL);
+        shader.locs[SHADER_LOC_MATRIX_NORMAL] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_UNIFORM_NAME_NORMAL);
 
         // Get handles to GLSL uniform locations (fragment shader)
-        shader.locs[SHADER_LOC_COLOR_DIFFUSE] = rlGetLocationUniform(shader.id, DEFAULT_SHADER_UNIFORM_NAME_COLOR);
-        shader.locs[SHADER_LOC_MAP_DIFFUSE] = rlGetLocationUniform(shader.id, DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE0);  // SHADER_LOC_MAP_ALBEDO
-        shader.locs[SHADER_LOC_MAP_SPECULAR] = rlGetLocationUniform(shader.id, DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE1); // SHADER_LOC_MAP_METALNESS
-        shader.locs[SHADER_LOC_MAP_NORMAL] = rlGetLocationUniform(shader.id, DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE2);
+        shader.locs[SHADER_LOC_COLOR_DIFFUSE] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_UNIFORM_NAME_COLOR);
+        shader.locs[SHADER_LOC_MAP_DIFFUSE] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE0);  // SHADER_LOC_MAP_ALBEDO
+        shader.locs[SHADER_LOC_MAP_SPECULAR] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE1); // SHADER_LOC_MAP_METALNESS
+        shader.locs[SHADER_LOC_MAP_NORMAL] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE2);
     }
 
     return shader;

src/raylib.h

@@ -128,6 +128,16 @@
     #define CLITERAL(type)      (type)
 #endif
 
+// NOTE: We set some defines with some data types declared by raylib
+// Other modules (raymath, rlgl) also require some of those types, so,
+// to be able to use those other modules as standalone (not depending on raylib)
+// this defines are very useful for internal check and avoid type (re)definitions
+#define RL_VECTOR2_TYPE
+#define RL_VECTOR3_TYPE
+#define RL_VECTOR4_TYPE
+#define RL_QUATERNION_TYPE
+#define RL_MATRIX_TYPE
+
 // Some Basic Colors
 // NOTE: Custom raylib color palette for amazing visuals on WHITE background
 #define LIGHTGRAY  CLITERAL(Color){ 200, 200, 200, 255 }   // Light Gray

src/raymath.h

@@ -9,14 +9,10 @@
 *       If not defined, the library is in header only mode and can be included in other headers
 *       or source files without problems. But only ONE file should hold the implementation.
 *
-*   #define RAYMATH_HEADER_ONLY
+*   #define RAYMATH_STATIC_INLINE
 *       Define static inline functions code, so #include header suffices for use.
 *       This may use up lots of memory.
 *
-*   #define RAYMATH_STANDALONE
-*       Avoid raylib.h header inclusion in this file.
-*       Vector3 and Matrix data types are defined internally in raymath module.
-*
 *
 *   LICENSE: zlib/libpng
 *
@@ -42,15 +38,8 @@
 #ifndef RAYMATH_H
 #define RAYMATH_H
 
-//#define RAYMATH_STANDALONE        // NOTE: To use raymath as standalone lib, just uncomment this line
-//#define RAYMATH_HEADER_ONLY       // NOTE: To compile functions as static inline, uncomment this line
-
-#ifndef RAYMATH_STANDALONE
-    #include "raylib.h"             // Required for: Vector3, Matrix structs definition
-#endif
-
-#if defined(RAYMATH_IMPLEMENTATION) && defined(RAYMATH_HEADER_ONLY)
-    #error "Specifying both RAYMATH_IMPLEMENTATION and RAYMATH_HEADER_ONLY is contradictory"
+#if defined(RAYMATH_IMPLEMENTATION) && defined(RAYMATH_STATIC_INLINE)
+    #error "Specifying both RAYMATH_IMPLEMENTATION and RAYMATH_STATIC_INLINE is contradictory"
 #endif
 
 #if defined(RAYMATH_IMPLEMENTATION)
@@ -61,7 +50,7 @@
     #else
         #define RMDEF extern inline // Provide external definition
     #endif
-#elif defined(RAYMATH_HEADER_ONLY)
+#elif defined(RAYMATH_STATIC_INLINE)
     #define RMDEF static inline     // Functions may be inlined, no external out-of-line definition
 #else
     #if defined(__TINYC__)
@@ -100,38 +89,51 @@
 // Types and Structures Definition
 //----------------------------------------------------------------------------------
 
-#if defined(RAYMATH_STANDALONE)
-    // Vector2 type
-    typedef struct Vector2 {
-        float x;
-        float y;
-    } Vector2;
-
-    // Vector3 type
-    typedef struct Vector3 {
-        float x;
-        float y;
-        float z;
-    } Vector3;
-
-    // Vector4 type
-    typedef struct Vector4 {
-        float x;
-        float y;
-        float z;
-        float w;
-    } Vector4;
-
-    // Quaternion type
-    typedef Vector4 Quaternion;
-
-    // Matrix type (OpenGL style 4x4 - right handed, column major)
-    typedef struct Matrix {
-        float m0, m4, m8, m12;
-        float m1, m5, m9, m13;
-        float m2, m6, m10, m14;
-        float m3, m7, m11, m15;
-    } Matrix;
+#if !defined(RL_VECTOR2_TYPE)
+// Vector2 type
+typedef struct Vector2 {
+    float x;
+    float y;
+} Vector2;
+#define RL_VECTOR2_TYPE
+#endif
+
+#if !defined(RL_VECTOR3_TYPE)
+// Vector3 type
+typedef struct Vector3 {
+    float x;
+    float y;
+    float z;
+} Vector3;
+#define RL_VECTOR3_TYPE
+#endif
+
+#if !defined(RL_VECTOR4_TYPE)
+// Vector4 type
+typedef struct Vector4 {
+    float x;
+    float y;
+    float z;
+    float w;
+} Vector4;
+#define RL_VECTOR4_TYPE
+#endif
+
+#if !defined(RL_QUATERNION_TYPE)
+// Quaternion type
+typedef Vector4 Quaternion;
+#define RL_QUATERNION_TYPE
+#endif
+
+#if !defined(RL_MATRIX_TYPE)
+// Matrix type (OpenGL style 4x4 - right handed, column major)
+typedef struct Matrix {
+    float m0, m4, m8, m12;      // Matrix first row (4 components)
+    float m1, m5, m9, m13;      // Matrix second row (4 components)
+    float m2, m6, m10, m14;     // Matrix third row (4 components)
+    float m3, m7, m11, m15;     // Matrix fourth row (4 components)
+} Matrix;
+#define RL_MATRIX_TYPE
 #endif
 
 // NOTE: Helper types to be used instead of array return types for *ToFloat functions