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Moved gestures touch functionality back to core

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Required gestures module when compiling for Android and Web
This commit is contained in:
Ray 2015-10-30 11:30:32 +01:00
parent 67423ff64b
commit 580c0a7296
3 changed files with 107 additions and 55 deletions
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92
src/core.c
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@ -95,6 +95,11 @@
#define DEFAULT_GAMEPAD_DEV "/dev/input/js0"
#endif
#if defined(PLATFORM_WEB)
#include <emscripten/emscripten.h>
#include <emscripten/html5.h>
#endif
//----------------------------------------------------------------------------------
// Defines and Macros
//----------------------------------------------------------------------------------
@ -158,6 +163,10 @@ static int renderOffsetY = 0; // Offset Y from render area (must b
static bool fullscreen = false; // Fullscreen mode (useful only for PLATFORM_DESKTOP)
static Matrix downscaleView; // Matrix to downscale view (in case screen size bigger than display size)
#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB)
static Vector2 touchPosition; // Touch position on screen
#endif
#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_RPI) || defined(PLATFORM_WEB)
static const char *windowTitle; // Window text title...
@ -247,6 +256,10 @@ static void TakeScreenshot(void);
static void AndroidCommandCallback(struct android_app *app, int32_t cmd); // Process Android activity lifecycle commands
#endif
#if defined(PLATFORM_WEB)
static EM_BOOL EmscriptenFullscreenChangeCallback(int eventType, const EmscriptenFullscreenChangeEvent *e, void *userData);
#endif
//----------------------------------------------------------------------------------
// Module Functions Definition - Window and OpenGL Context Functions
//----------------------------------------------------------------------------------
@ -279,6 +292,12 @@ void InitWindow(int width, int height, const char *title)
InitGamepad(); // Gamepad init
#endif
#if defined(PLATFORM_WEB)
InitGesturesSystem();
emscripten_set_fullscreenchange_callback(0, 0, 1, EmscriptenFullscreenChangeCallback);
#endif
mousePosition.x = screenWidth/2;
mousePosition.y = screenHeight/2;
@ -335,6 +354,8 @@ void InitWindow(int width, int height, struct android_app *state)
//InitGesturesSystem(app); // NOTE: Must be called by user
InitAssetManager(app->activity->assetManager);
InitGesturesSystem(app);
TraceLog(INFO, "Android app initialized successfully");
@ -499,7 +520,7 @@ void EndDrawing(void)
SwapBuffers(); // Copy back buffer to front buffer
PollInputEvents(); // Poll user events
currentTime = GetTime();
drawTime = currentTime - previousTime;
previousTime = currentTime;
@ -814,7 +835,7 @@ Vector2 GetMousePosition(void)
void SetMousePosition(Vector2 position)
{
mousePosition = position;
#if defined(PLATFORM_DESKTOP)
#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB)
// NOTE: emscripten not implemented
glfwSetCursorPos(window, position.x, position.y);
#endif
@ -969,6 +990,41 @@ bool IsGamepadButtonUp(int gamepad, int button)
}
#endif
#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB)
// Returns touch position X
int GetTouchX(void)
{
return (int)touchPosition.x;
}
// Returns touch position Y
int GetTouchY(void)
{
return (int)touchPosition.y;
}
// Returns touch position XY
// TODO: touch position should be scaled depending on display size and render size
Vector2 GetTouchPosition(void)
{
Vector2 position = touchPosition;
if ((screenWidth > displayWidth) || (screenHeight > displayHeight))
{
// TODO: Seems to work ok but... review!
position.x = position.x*((float)screenWidth/(float)(displayWidth - renderOffsetX)) - renderOffsetX/2;
position.y = position.y*((float)screenHeight/(float)(displayHeight - renderOffsetY)) - renderOffsetY/2;
}
else
{
position.x = position.x*((float)renderWidth/(float)displayWidth) - renderOffsetX/2;
position.y = position.y*((float)renderHeight/(float)displayHeight) - renderOffsetY/2;
}
return position;
}
#endif
//----------------------------------------------------------------------------------
// Module specific Functions Definition
//----------------------------------------------------------------------------------
@ -1547,6 +1603,13 @@ static bool GetMouseButtonStatus(int button)
// Poll (store) all input events
static void PollInputEvents(void)
{
#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB)
// Touch events reading (requires gestures module)
touchPosition = GetRawTouchPosition();
UpdateGestures();
#endif
#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB)
// Mouse input polling
double mouseX;
@ -1940,6 +2003,31 @@ static void SetupFramebufferSize(int displayWidth, int displayHeight)
}
}
#if defined(PLATFORM_WEB)
static EM_BOOL EmscriptenFullscreenChangeCallback(int eventType, const EmscriptenFullscreenChangeEvent *e, void *userData)
{
//isFullscreen: int e->isFullscreen
//fullscreenEnabled: int e->fullscreenEnabled
//fs element nodeName: (char *) e->nodeName
//fs element id: (char *) e->id
//Current element size: (int) e->elementWidth, (int) e->elementHeight
//Screen size:(int) e->screenWidth, (int) e->screenHeight
if (e->isFullscreen)
{
TraceLog(INFO, "Canvas scaled to fullscreen. ElementSize: (%ix%i), ScreenSize(%ix%i)", e->elementWidth, e->elementHeight, e->screenWidth, e->screenHeight);
}
else
{
TraceLog(INFO, "Canvas scaled to windowed. ElementSize: (%ix%i), ScreenSize(%ix%i)", e->elementWidth, e->elementHeight, e->screenWidth, e->screenHeight);
}
// TODO: Depending on scaling factor (screen vs element), calculate factor to scale mouse/touch input
return 0;
}
#endif
// Plays raylib logo appearing animation
static void LogoAnimation(void)
{