Update models_bone_socket.c

examples/models/models_bone_socket.c

@@ -15,14 +15,12 @@
 
 #include "raylib.h"
 
-#include <raymath.h>
-#include <string.h>
+#include "raymath.h"
 
-#define BONE_SOCKETS 3
-
-#define BONE_SOCKET_HAT 0
-#define BONE_SOCKET_HAND_R 1
-#define BONE_SOCKET_HAND_L 2
+#define BONE_SOCKETS        3
+#define BONE_SOCKET_HAT     0
+#define BONE_SOCKET_HAND_R  1
+#define BONE_SOCKET_HAND_L  2
 
 //------------------------------------------------------------------------------------
 // Program main entry point
@@ -37,49 +35,57 @@ int main(void)
     InitWindow(screenWidth, screenHeight, "raylib [models] example - bone socket");
 
     // Define the camera to look into our 3d world
-    Camera camera = { 0 };
-    camera.position = { 5.0f, 5.0f, 5.0f };    // Camera position
-    camera.target = { 0.0f, 2.0f, 0.0f };      // Camera looking at point
-    camera.up = { 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
-    camera.fovy = 45.0f;                       // Camera field-of-view Y
-    camera.projection = CAMERA_PERSPECTIVE;    // Camera projection type
+    Camera camera = {
+        .position = { 5.0f, 5.0f, 5.0f },    // Camera position
+        .target = { 0.0f, 2.0f, 0.0f },      // Camera looking at point
+        .up = { 0.0f, 1.0f, 0.0f },          // Camera up vector (rotation towards target)
+        .fovy = 45.0f,                       // Camera field-of-view Y
+        .projection = CAMERA_PERSPECTIVE     // Camera projection type
+    };
 
     // Load gltf model
-    Model characterModel = LoadModel("greenman.glb");
+    Model characterModel = LoadModel("resources/models/gltf/greenman.glb"); // Load character model
     Model equipModel[BONE_SOCKETS] = {
-        LoadModel("greenman_hat.glb"), // index for the hat model is the same as BONE_SOCKET_HAT
-        LoadModel("greenman_sword.glb"), // index for the sword model is the same as BONE_SOCKET_HAND_R
-        LoadModel("greenman_shield.glb") // index for the shield model is the same as BONE_SOCKET_HAND_L
+        LoadModel("resources/models/gltf/greenman_hat.glb"),    // Index for the hat model is the same as BONE_SOCKET_HAT
+        LoadModel("resources/models/gltf/greenman_sword.glb"),  // Index for the sword model is the same as BONE_SOCKET_HAND_R
+        LoadModel("resources/models/gltf/greenman_shield.glb")  // Index for the shield model is the same as BONE_SOCKET_HAND_L
     };
-    bool showEquip[3] = {true, true, true}; // for toggle on/off equip
+    
+    bool showEquip[3] = { true, true, true };   // Toggle on/off equip
 
     // Load gltf model animations
-    unsigned int animsCount = 0;
+    int animsCount = 0;
     unsigned int animIndex = 0;
     unsigned int animCurrentFrame = 0;
-    ModelAnimation* modelAnimations = LoadModelAnimations("greenman.glb", &animsCount);
+    ModelAnimation *modelAnimations = LoadModelAnimations("resources/models/gltf/greenman.glb", &animsCount);
 
     // indices of bones for sockets
-    int boneSocketIndex[BONE_SOCKETS] = {-1, -1, -1};
+    int boneSocketIndex[BONE_SOCKETS] = { -1, -1, -1 };
 
     // search bones for sockets 
-    for (int i = 0; i < characterModel.boneCount; i++) {
-        if (strcmp(characterModel.bones[i].name, "socket_hat") == 0) {
+    for (int i = 0; i < characterModel.boneCount; i++)
+    {
+        if (TextIsEqual(characterModel.bones[i].name, "socket_hat"))
+        {
             boneSocketIndex[BONE_SOCKET_HAT] = i;
             continue;
         }
-        if (strcmp(characterModel.bones[i].name, "socket_hand_R") == 0) {
+        
+        if (TextIsEqual(characterModel.bones[i].name, "socket_hand_R"))
+        {
             boneSocketIndex[BONE_SOCKET_HAND_R] = i;
             continue;
         }
-        if (strcmp(characterModel.bones[i].name, "socket_hand_L") == 0) {
+        
+        if (TextIsEqual(characterModel.bones[i].name, "socket_hand_L"))
+        {
             boneSocketIndex[BONE_SOCKET_HAND_L] = i;
             continue;
         }
     }
 
-    Vector3 position = { 0.0f, 0.0f, 0.0f };    // Set model position
-    unsigned short angle = 0; // angle for rotate character
+    Vector3 position = { 0.0f, 0.0f, 0.0f }; // Set model position
+    unsigned short angle = 0;           // Set angle for rotate character
 
     DisableCursor();                    // Limit cursor to relative movement inside the window
 
@@ -92,32 +98,23 @@ int main(void)
         // Update
         //----------------------------------------------------------------------------------
         UpdateCamera(&camera, CAMERA_THIRD_PERSON);
-        // rotate character
-        if (IsKeyDown(KEY_F)) {
-            angle = (angle + 1) % 360;
-        } else if (IsKeyDown(KEY_H)) {
-            angle = (360 + angle - 1) % 360;
-        }
-        // Select current animation
-        if (IsKeyPressed(KEY_T)) {
-            animIndex = (animIndex + 1) % animsCount;
-        } else if (IsKeyPressed(KEY_G)) {
-            animIndex = (animIndex + animsCount - 1) % animsCount;
-        }
-        // toggle shown of equip
-        if (IsKeyPressed(KEY_ONE)) {
-            showEquip[BONE_SOCKET_HAT] = !showEquip[BONE_SOCKET_HAT];
-        }
-        if (IsKeyPressed(KEY_TWO)) {
-            showEquip[BONE_SOCKET_HAND_R] = !showEquip[BONE_SOCKET_HAND_R];
-        }
-        if (IsKeyPressed(KEY_THREE)) {
-            showEquip[BONE_SOCKET_HAND_L] = !showEquip[BONE_SOCKET_HAND_L];
-        }
+        
+        // Rotate character
+        if (IsKeyDown(KEY_F)) angle = (angle + 1)%360;
+        else if (IsKeyDown(KEY_H)) angle = (360 + angle - 1)%360;
 
+        // Select current animation
+        if (IsKeyPressed(KEY_T)) animIndex = (animIndex + 1)%animsCount;
+        else if (IsKeyPressed(KEY_G)) animIndex = (animIndex + animsCount - 1)%animsCount;
+
+        // Toggle shown of equip
+        if (IsKeyPressed(KEY_ONE)) showEquip[BONE_SOCKET_HAT] = !showEquip[BONE_SOCKET_HAT];
+        if (IsKeyPressed(KEY_TWO)) showEquip[BONE_SOCKET_HAND_R] = !showEquip[BONE_SOCKET_HAND_R];
+        if (IsKeyPressed(KEY_THREE)) showEquip[BONE_SOCKET_HAND_L] = !showEquip[BONE_SOCKET_HAND_L];
+        
         // Update model animation
         ModelAnimation anim = modelAnimations[animIndex];
-        animCurrentFrame = (animCurrentFrame + 1) % anim.frameCount;
+        animCurrentFrame = (animCurrentFrame + 1)%anim.frameCount;
         UpdateModelAnimation(characterModel, anim, animCurrentFrame);
         //----------------------------------------------------------------------------------
 
@@ -125,44 +122,44 @@ int main(void)
         //----------------------------------------------------------------------------------
         BeginDrawing();
 
-        ClearBackground(RAYWHITE);
-
-        BeginMode3D(camera);
-
-        // draw character
-        Quaternion characterRotate = QuaternionFromAxisAngle({ 0.0f,1.0f,0.0f }, angle*DEG2RAD);
-        characterModel.transform = MatrixMultiply(QuaternionToMatrix(characterRotate), MatrixTranslate(position.x, position.y, position.z));
-        UpdateModelAnimation(characterModel, anim, animCurrentFrame);
-        DrawMesh(characterModel.meshes[0], characterModel.materials[1], characterModel.transform);
-
-        // draw equipments (hat, sword, shield)
-        for (unsigned short i=0; i<BONE_SOCKETS; i++) {
-            if (!showEquip[i]) {
-                continue;
-            }
-            Transform* transform = &anim.framePoses[animCurrentFrame][boneSocketIndex[i]];
-            Quaternion inRotation = characterModel.bindPose[boneSocketIndex[i]].rotation;
-            Quaternion outRotation = transform->rotation;
-            // calculate socket rotation (angle between bone in initial pose and same bone in current animation frame)
-            Quaternion rotate = QuaternionMultiply(outRotation, QuaternionInvert(inRotation));
-            Matrix matrixTransform = QuaternionToMatrix(rotate);
-            // translate socket to its position in the current animation
-            matrixTransform = MatrixMultiply(matrixTransform, MatrixTranslate(transform->translation.x, transform->translation.y, transform->translation.z));
-            // rotate socket by character angle
-            matrixTransform = MatrixMultiply(matrixTransform, QuaternionToMatrix(characterRotate));
-            // translate socket to character position
-            matrixTransform = MatrixMultiply(matrixTransform, MatrixTranslate(position.x, position.y+0.0f, position.z));
-            // draw mesh at socket position with socket angle rotation
-            DrawMesh(equipModel[i].meshes[0], equipModel[i].materials[1], matrixTransform);
-        }
-
-        DrawGrid(10, 1.0f);
-
-        EndMode3D();
-
-        DrawText("Use the T/G to switch animation", 10, 10, 20, GRAY);
-        DrawText("Use the F/H to rotate character left/right", 10, 35, 20, GRAY);
-        DrawText("Use the 1,2,3 to toggle shown of hat, sword and shield", 10, 60, 20, GRAY);
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+                // Draw character
+                Quaternion characterRotate = QuaternionFromAxisAngle((Vector3){ 0.0f, 1.0f, 0.0f }, angle*DEG2RAD);
+                characterModel.transform = MatrixMultiply(QuaternionToMatrix(characterRotate), MatrixTranslate(position.x, position.y, position.z));
+                UpdateModelAnimation(characterModel, anim, animCurrentFrame);
+                DrawMesh(characterModel.meshes[0], characterModel.materials[1], characterModel.transform);
+
+                // Draw equipments (hat, sword, shield)
+                for (unsigned short i=0; i<BONE_SOCKETS; i++)
+                {
+                    if (!showEquip[i]) continue;
+
+                    Transform *transform = &anim.framePoses[animCurrentFrame][boneSocketIndex[i]];
+                    Quaternion inRotation = characterModel.bindPose[boneSocketIndex[i]].rotation;
+                    Quaternion outRotation = transform->rotation;
+                    
+                    // Calculate socket rotation (angle between bone in initial pose and same bone in current animation frame)
+                    Quaternion rotate = QuaternionMultiply(outRotation, QuaternionInvert(inRotation));
+                    Matrix matrixTransform = QuaternionToMatrix(rotate);
+                    // Translate socket to its position in the current animation
+                    matrixTransform = MatrixMultiply(matrixTransform, MatrixTranslate(transform->translation.x, transform->translation.y, transform->translation.z));
+                    // Rotate socket by character angle
+                    matrixTransform = MatrixMultiply(matrixTransform, QuaternionToMatrix(characterRotate));
+                    // Translate socket to character position
+                    matrixTransform = MatrixMultiply(matrixTransform, MatrixTranslate(position.x, position.y + 0.0f, position.z));
+                    
+                    // Draw mesh at socket position with socket angle rotation
+                    DrawMesh(equipModel[i].meshes[0], equipModel[i].materials[1], matrixTransform);
+                }
+
+                DrawGrid(10, 1.0f);
+            EndMode3D();
+
+            DrawText("Use the T/G to switch animation", 10, 10, 20, GRAY);
+            DrawText("Use the F/H to rotate character left/right", 10, 35, 20, GRAY);
+            DrawText("Use the 1,2,3 to toggle shown of hat, sword and shield", 10, 60, 20, GRAY);
 
         EndDrawing();
         //----------------------------------------------------------------------------------
@@ -172,9 +169,9 @@ int main(void)
     //--------------------------------------------------------------------------------------
     UnloadModelAnimations(modelAnimations, animsCount);
     UnloadModel(characterModel);         // Unload character model and meshes/material
-    for (unsigned short i = 0; i < BONE_SOCKETS; i++) {
-        UnloadModel(equipModel[i]);      // Unload equipment model and meshes/material
-    }
+    
+    // Unload equipment model and meshes/material
+    for (unsigned short i = 0; i < BONE_SOCKETS; i++) UnloadModel(equipModel[i]);
 
     CloseWindow();              // Close window and OpenGL context
     //--------------------------------------------------------------------------------------