diff options
Diffstat (limited to 'src/core.c')
| -rw-r--r-- | src/core.c | 196 |
1 files changed, 98 insertions, 98 deletions
@@ -3,20 +3,20 @@ * raylib.core * * Basic functions to manage Windows, OpenGL context and Input -* -* Uses external lib: +* +* Uses external lib: * GLFW3 - Window, context and Input management (static lib version) * * Copyright (c) 2013 Ramon Santamaria (Ray San - raysan@raysanweb.com) -* -* This software is provided "as-is", without any express or implied warranty. In no event +* +* 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 +* 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 +* 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 @@ -121,11 +121,11 @@ void InitWindow(int width, int height, const char *title) void InitWindowEx(int width, int height, const char* title, bool resizable, const char *cursorImage) { glfwSetErrorCallback(ErrorCallback); - + if (!glfwInit()) TraceLog(ERROR, "Failed to initialize GLFW"); - + //glfwDefaultWindowHints() // Set default windows hints - + if (!resizable) glfwWindowHint(GLFW_RESIZABLE, GL_FALSE); // Avoid window being resizable #ifdef USE_OPENGL_33 @@ -137,20 +137,20 @@ void InitWindowEx(int width, int height, const char* title, bool resizable, cons #endif window = glfwCreateWindow(width, height, title, NULL, NULL); - + windowWidth = width; windowHeight = height; windowTitle = title; - + if (!window) { glfwTerminate(); TraceLog(ERROR, "Failed to initialize Window"); } - + glfwSetWindowSizeCallback(window, WindowSizeCallback); glfwSetCursorEnterCallback(window, CursorEnterCallback); - + glfwMakeContextCurrent(window); glfwSetKeyCallback(window, KeyCallback); glfwSetScrollCallback(window, ScrollCallback); @@ -158,29 +158,29 @@ void InitWindowEx(int width, int height, const char* title, bool resizable, cons // If not set, swap interval uses GPU v-sync configuration // Framerate can be setup using SetTargetFPS() - //------------------------------------------------------ + //------------------------------------------------------ #if defined(USE_OPENGL_33) || defined(USE_OPENGL_ES2) rlglInit(); // Init rlgl #endif //------------------------------------------------------ - + int fbWidth, fbHeight; glfwGetFramebufferSize(window, &fbWidth, &fbHeight); // Get framebuffer size of current window - //------------------------------------------------------ + //------------------------------------------------------ rlglInitGraphicsDevice(fbWidth, fbHeight); //------------------------------------------------------ - + previousTime = glfwGetTime(); LoadDefaultFont(); // NOTE: External function (defined in module: text) - + if (cursorImage != NULL) SetCustomCursor(cursorImage); - + srand(time(NULL)); // Initialize random seed - + ClearBackground(RAYWHITE); // Default background color for raylib games :P - + // raylib logo appearing animation if (showLogo) { @@ -193,7 +193,7 @@ void InitWindowEx(int width, int height, const char* title, bool resizable, cons void CloseWindow() { UnloadDefaultFont(); - + //------------------------------------------------------ #if defined(USE_OPENGL_33) || defined(USE_OPENGL_ES2) rlglClose(); // De-init rlgl @@ -208,9 +208,9 @@ void CloseWindow() void SetCustomCursor(const char *cursorImage) { if (customCursor) UnloadTexture(cursor); - + cursor = LoadTexture(cursorImage); - + glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_HIDDEN); customCursor = true; } @@ -231,14 +231,14 @@ bool WindowShouldClose() // Fullscreen toggle (by default F11) void ToggleFullscreen() { - if (glfwGetKey(window, GLFW_KEY_F11)) + if (glfwGetKey(window, GLFW_KEY_F11)) { fullscreen = !fullscreen; // Toggle fullscreen flag UnloadDefaultFont(); - + glfwDestroyWindow(window); // Destroy the current window (we will recreate it!) - + // TODO: WARNING! All loaded resources are lost, we loose Context! // NOTE: Window aspect ratio is always windowWidth / windowHeight @@ -248,7 +248,7 @@ void ToggleFullscreen() //const GLFWvidmode *mode = glfwGetVideoMode(glfwGetPrimaryMonitor()); //windowWidth = mode->width; //windowHeight = mode->height; - + window = glfwCreateWindow(windowWidth, windowHeight, windowTitle, glfwGetPrimaryMonitor(), NULL); // Fullscreen mode } else window = glfwCreateWindow(windowWidth, windowHeight, windowTitle, NULL, NULL); @@ -258,7 +258,7 @@ void ToggleFullscreen() glfwTerminate(); TraceLog(ERROR, "Failed to initialize Window when switching fullscreen mode"); } - + glfwMakeContextCurrent(window); glfwSetKeyCallback(window, KeyCallback); @@ -266,7 +266,7 @@ void ToggleFullscreen() glfwGetFramebufferSize(window, &fbWidth, &fbHeight); // Get framebuffer size of current window rlglInitGraphicsDevice(fbWidth, fbHeight); - + LoadDefaultFont(); } } @@ -275,9 +275,9 @@ void ToggleFullscreen() void ClearBackground(Color color) { if ((color.r != background.r) || (color.g != background.g) || (color.b != background.b) || (color.a != background.a)) - { + { rlClearColor(color.r, color.g, color.b, color.a); - + background = color; } } @@ -290,7 +290,7 @@ void BeginDrawing() previousTime = currentTime; rlClearScreenBuffers(); - + rlLoadIdentity(); // Reset current matrix (MODELVIEW) //#ifdef USE_OPENGL_11 @@ -309,18 +309,18 @@ void EndDrawing() rlglDraw(); // Draw Buffers #endif //------------------------------------------------------ - + glfwSwapBuffers(window); // Swap back and front buffers glfwPollEvents(); // Register keyboard/mouse events - + UpdateMusicStream(); // NOTE: Function checks if music is enabled - + currentTime = glfwGetTime(); drawTime = currentTime - previousTime; previousTime = currentTime; - + frameTime = updateTime + drawTime; - + double extraTime = 0; while (frameTime < targetTime) @@ -343,20 +343,20 @@ void Begin3dMode(Camera camera) //------------------------------------------------------ rlMatrixMode(RL_PROJECTION); // Switch to projection matrix - + rlPushMatrix(); // Save previous matrix, which contains the settings for the 2d ortho projection rlLoadIdentity(); // Reset current matrix (PROJECTION) - + // Setup perspective projection float aspect = (GLfloat)windowWidth/(GLfloat)windowHeight; double top = 0.1f*tan(45.0f*PI / 360.0); double right = top*aspect; rlFrustum(-right, right, -top, top, 0.1f, 100.0f); - + rlMatrixMode(RL_MODELVIEW); // Switch back to modelview matrix rlLoadIdentity(); // Reset current matrix (MODELVIEW) - + // Setup Camera view Matrix matLookAt = MatrixLookAt(camera.position, camera.target, camera.up); rlMultMatrixf(GetMatrixVector(matLookAt)); // Multiply MODELVIEW matrix by view matrix (camera) @@ -373,10 +373,10 @@ void End3dMode() rlMatrixMode(RL_PROJECTION); // Switch to projection matrix rlPopMatrix(); // Restore previous matrix (PROJECTION) from matrix stack - + rlMatrixMode(RL_MODELVIEW); // Get back to modelview matrix rlLoadIdentity(); // Reset current matrix (MODELVIEW) - + //rlTranslatef(0.375, 0.375, 0); // HACK to ensure pixel-perfect drawing on OpenGL (after exiting 3D mode) } @@ -384,7 +384,7 @@ void End3dMode() void SetTargetFPS(int fps) { targetTime = 1 / (float)fps; - + TraceLog(INFO, "Target time per frame: %02.03f milliseconds", (float)targetTime*1000); } @@ -401,7 +401,7 @@ float GetFrameTime() // so we round it before before passing around to be used // NOTE: There are still problems with high framerates (>500fps) double roundedFrameTime = round(frameTime*10000) / 10000; - + return (float)roundedFrameTime; // Time in seconds to run a frame } @@ -414,7 +414,7 @@ Color GetColor(int hexValue) color.g = (unsigned char)(hexValue >> 16) & 0xFF; color.b = (unsigned char)(hexValue >> 8) & 0xFF; color.a = (unsigned char)hexValue & 0xFF; - + return color; } @@ -458,7 +458,7 @@ void ShowLogo() // Detect if a key has been pressed once bool IsKeyPressed(int key) -{ +{ bool pressed = false; currentKeyState[key] = IsKeyDown(key); @@ -469,7 +469,7 @@ bool IsKeyPressed(int key) previousKeyState[key] = currentKeyState[key]; } else pressed = false; - + return pressed; } @@ -482,9 +482,9 @@ bool IsKeyDown(int key) // Detect if a key has been released once bool IsKeyReleased(int key) -{ +{ bool released = false; - + currentKeyState[key] = IsKeyUp(key); if (currentKeyState[key] != previousKeyState[key]) @@ -493,7 +493,7 @@ bool IsKeyReleased(int key) previousKeyState[key] = currentKeyState[key]; } else released = false; - + return released; } @@ -517,7 +517,7 @@ bool IsMouseButtonPressed(int button) previousMouseState[button] = currentMouseState[button]; } else pressed = false; - + return pressed; } @@ -541,7 +541,7 @@ bool IsMouseButtonReleased(int button) previousMouseState[button] = currentMouseState[button]; } else released = false; - + return released; } @@ -557,7 +557,7 @@ int GetMouseX() { double mouseX; double mouseY; - + glfwGetCursorPos(window, &mouseX, &mouseY); return (int)mouseX; @@ -568,7 +568,7 @@ int GetMouseY() { double mouseX; double mouseY; - + glfwGetCursorPos(window, &mouseX, &mouseY); return (int)mouseY; @@ -579,9 +579,9 @@ Vector2 GetMousePosition() { double mouseX; double mouseY; - + glfwGetCursorPos(window, &mouseX, &mouseY); - + Vector2 position = { (float)mouseX, (float)mouseY }; return position; @@ -593,7 +593,7 @@ int GetMouseWheelMove() previousMouseWheelY = currentMouseWheelY; currentMouseWheelY = 0; - + return previousMouseWheelY; } @@ -601,7 +601,7 @@ int GetMouseWheelMove() bool IsGamepadAvailable(int gamepad) { int result = glfwJoystickPresent(gamepad); - + if (result == 1) return true; else return false; } @@ -610,20 +610,20 @@ bool IsGamepadAvailable(int gamepad) Vector2 GetGamepadMovement(int gamepad) { Vector2 vec = { 0, 0 }; - + const float *axes; int axisCount; - + axes = glfwGetJoystickAxes(gamepad, &axisCount); - + if (axisCount >= 2) { - vec.x = axes[0]; // Left joystick X + vec.x = axes[0]; // Left joystick X vec.y = axes[1]; // Left joystick Y - + //vec.x = axes[2]; // Right joystick X //vec.x = axes[3]; // Right joystick Y - } + } return vec; } @@ -641,7 +641,7 @@ bool IsGamepadButtonPressed(int gamepad, int button) previousGamepadState[button] = currentGamepadState[button]; } else pressed = false; - + return pressed; } @@ -649,9 +649,9 @@ bool IsGamepadButtonDown(int gamepad, int button) { const unsigned char* buttons; int buttonsCount; - + buttons = glfwGetJoystickButtons(gamepad, &buttonsCount); - + if ((buttons != NULL) && (buttons[button] == GLFW_PRESS)) { return true; @@ -672,7 +672,7 @@ bool IsGamepadButtonReleased(int gamepad, int button) previousGamepadState[button] = currentGamepadState[button]; } else released = false; - + return released; } @@ -680,9 +680,9 @@ bool IsGamepadButtonUp(int gamepad, int button) { const unsigned char* buttons; int buttonsCount; - + buttons = glfwGetJoystickButtons(gamepad, &buttonsCount); - + if ((buttons != NULL) && (buttons[button] == GLFW_RELEASE)) { return true; @@ -712,7 +712,7 @@ static void KeyCallback(GLFWwindow* window, int key, int scancode, int action, i if (key == exitKey && action == GLFW_PRESS) { glfwSetWindowShouldClose(window, GL_TRUE); - + // NOTE: Before closing window, while loop must be left! } else if (key == GLFW_KEY_F11 && action == GLFW_PRESS) @@ -739,11 +739,11 @@ static void WindowSizeCallback(GLFWwindow* window, int width, int height) // If window is resized, graphics device is re-initialized (but only ortho mode) rlglInitGraphicsDevice(fbWidth, fbHeight); - + // Window size must be updated to be used on 3D mode to get new aspect ratio (Begin3dMode()) windowWidth = fbWidth; windowHeight = fbHeight; - + // Background must be also re-cleared rlClearColor(background.r, background.g, background.b, background.a); } @@ -767,7 +767,7 @@ static void TakeScreenshot() free(imgData); shotNum++; - + TraceLog(INFO, "[%s] Screenshot taken!", buffer); } @@ -775,20 +775,20 @@ static void LogoAnimation() { int logoPositionX = windowWidth/2 - 128; int logoPositionY = windowHeight/2 - 128; - + int framesCounter = 0; int lettersCount = 0; - + int topSideRecWidth = 16; int leftSideRecHeight = 16; - + int bottomSideRecWidth = 16; int rightSideRecHeight = 16; - + char raylib[8] = " "; // raylib text array, max 8 letters int state = 0; // Tracking animation states (State Machine) float alpha = 1.0; // Useful for fading - + while (!WindowShouldClose() && (state != 4)) // Detect window close button or ESC key { // Update @@ -796,9 +796,9 @@ static void LogoAnimation() if (state == 0) // State 0: Small box blinking { framesCounter++; - + if (framesCounter == 84) - { + { state = 1; framesCounter = 0; // Reset counter... will be used later... } @@ -807,26 +807,26 @@ static void LogoAnimation() { topSideRecWidth += 4; leftSideRecHeight += 4; - + if (topSideRecWidth == 256) state = 2; } else if (state == 2) // State 2: Bottom and right bars growing { bottomSideRecWidth += 4; rightSideRecHeight += 4; - + if (bottomSideRecWidth == 256) state = 3; } else if (state == 3) // State 3: Letters appearing (one by one) { framesCounter++; - + if (framesCounter/12) // Every 12 frames, one more letter! - { + { lettersCount++; framesCounter = 0; } - + switch (lettersCount) { case 1: raylib[0] = 'r'; break; @@ -837,11 +837,11 @@ static void LogoAnimation() case 6: raylib[5] = 'b'; break; default: break; } - + if (lettersCount >= 10) // When all letters have appeared, just fade out everything { alpha -= 0.02; - + if (alpha <= 0) { alpha = 0; @@ -850,11 +850,11 @@ static void LogoAnimation() } } //---------------------------------------------------------------------------------- - + // Draw //---------------------------------------------------------------------------------- BeginDrawing(); - + if (state == 0) { if ((framesCounter/12)%2) DrawRectangle(logoPositionX, logoPositionY, 16, 16, BLACK); @@ -868,7 +868,7 @@ static void LogoAnimation() { DrawRectangle(logoPositionX, logoPositionY, topSideRecWidth, 16, BLACK); DrawRectangle(logoPositionX, logoPositionY, 16, leftSideRecHeight, BLACK); - + DrawRectangle(logoPositionX + 240, logoPositionY, 16, rightSideRecHeight, BLACK); DrawRectangle(logoPositionX, logoPositionY + 240, bottomSideRecWidth, 16, BLACK); } @@ -876,15 +876,15 @@ static void LogoAnimation() { DrawRectangle(logoPositionX, logoPositionY, topSideRecWidth, 16, Fade(BLACK, alpha)); DrawRectangle(logoPositionX, logoPositionY + 16, 16, leftSideRecHeight - 32, Fade(BLACK, alpha)); - + DrawRectangle(logoPositionX + 240, logoPositionY + 16, 16, rightSideRecHeight - 32, Fade(BLACK, alpha)); DrawRectangle(logoPositionX, logoPositionY + 240, bottomSideRecWidth, 16, Fade(BLACK, alpha)); - + DrawRectangle(windowWidth/2 - 112, windowHeight/2 - 112, 224, 224, Fade(RAYWHITE, alpha)); - + DrawText(raylib, windowWidth/2 - 44, windowHeight/2 + 48, 50, Fade(BLACK, alpha)); } - + EndDrawing(); //---------------------------------------------------------------------------------- } |