[rcore] Porting raylib to iOS and implement rcore_ios.c

.github/workflows/ios.yml

@@ -0,0 +1,35 @@
+name: iOS
+
+on:
+  workflow_dispatch:
+  push:
+    paths:
+      - 'src/**'
+      - 'examples/**'
+      - '.github/workflows/android.yml'
+  pull_request:
+    paths:
+      - 'src/**'
+      - 'examples/**'
+      - '.github/workflows/android.yml'
+  release:
+    types: [published]
+
+jobs:
+  build:
+    runs-on: macos-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@master
+    - name: Build Xcode15 project
+      run: |
+        cd projects/Xcode15
+        curl -L https://github.com/raysan5/raylib/files/14743869/libEGL.xcframework.zip --output libEGL.xcframework.zip
+        curl -L https://github.com/raysan5/raylib/files/14743873/libGLESv2.xcframework.zip --output libGLESv2.xcframework.zip
+        mkdir -p raylib/Frameworks
+        unzip -q libEGL.xcframework.zip -d raylib/Frameworks/libEGL.xcframework
+        unzip -q libGLESv2.xcframework.zip -d raylib/Frameworks/libGLESv2.xcframework
+        rm libEGL.xcframework.zip
+        rm libGLESv2.xcframework.zip
+        xcodebuild -project raylib.xcodeproj -scheme raylib -sdk iphonesimulator -destination 'platform=iOS Simulator,name=iPhone 14' build
+

projects/Xcode15/main.c

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+/*******************************************************************************************
+*
+*   raylib [core] example - Input Gestures Detection
+*
+*   Example originally created with raylib 1.4, last time updated with raylib 4.2
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2016-2024 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+#ifndef RL_IOS_NO_EXAMPLE
+
+#include "raylib.h"
+
+int MAX_GESTURE_STRINGS = 20;
+int screenWidth = 0;
+int screenHeight = 0;
+Vector2 touchPosition;
+Rectangle touchArea;
+int gesturesCount = 0;
+char gestureStrings[100][32];
+int currentGesture = GESTURE_NONE;
+int lastGesture = GESTURE_NONE;
+
+void ios_ready(){
+    InitWindow(0, 0, "raylib [core] example - input gestures");
+
+    screenWidth = GetScreenWidth();
+    screenHeight = GetScreenHeight();
+
+    touchPosition = (Vector2){ 0, 0 };
+    touchArea = (Rectangle){ 220, 10, screenWidth - 230.0f, screenHeight - 20.0f };
+
+    //SetGesturesEnabled(0b0000000000001001);   // Enable only some gestures to be detected
+    SetTargetFPS(60);
+    MAX_GESTURE_STRINGS = (screenHeight - 50) / 20;
+}
+
+static void add_gesture(const char* title){
+    if (gesturesCount >= MAX_GESTURE_STRINGS)
+    {
+        for (int i = 0; i < MAX_GESTURE_STRINGS; i++) TextCopy(gestureStrings[i], "\0");
+        gesturesCount = 0;
+    }
+    TextCopy(gestureStrings[gesturesCount], title);
+    gesturesCount++;
+}
+
+void ios_update()
+{
+    lastGesture = currentGesture;
+    currentGesture = GetGestureDetected();
+    touchPosition = GetTouchPosition(0);
+
+    if(IsMouseButtonPressed(0)) add_gesture("MouseButtonPressed");
+    if(IsMouseButtonReleased(0)) add_gesture("MouseButtonReleased");
+
+    if (CheckCollisionPointRec(touchPosition, touchArea) && (currentGesture != GESTURE_NONE))
+    {
+        if (currentGesture != lastGesture)
+        {
+            // Store gesture string
+            switch (currentGesture)
+            {
+                case GESTURE_TAP: add_gesture( "GESTURE TAP"); break;
+                case GESTURE_DOUBLETAP: add_gesture( "GESTURE DOUBLETAP"); break;
+                case GESTURE_HOLD: add_gesture( "GESTURE HOLD"); break;
+                case GESTURE_DRAG: add_gesture( "GESTURE DRAG"); break;
+                case GESTURE_SWIPE_RIGHT: add_gesture( "GESTURE SWIPE RIGHT"); break;
+                case GESTURE_SWIPE_LEFT: add_gesture( "GESTURE SWIPE LEFT"); break;
+                case GESTURE_SWIPE_UP: add_gesture( "GESTURE SWIPE UP"); break;
+                case GESTURE_SWIPE_DOWN: add_gesture( "GESTURE SWIPE DOWN"); break;
+                case GESTURE_PINCH_IN: add_gesture( "GESTURE PINCH IN"); break;
+                case GESTURE_PINCH_OUT: add_gesture( "GESTURE PINCH OUT"); break;
+                default: break;
+            }
+        }
+    }
+
+    // Draw
+    //----------------------------------------------------------------------------------
+    BeginDrawing();
+
+    ClearBackground(RAYWHITE);
+
+    DrawRectangleRec(touchArea, GRAY);
+    DrawRectangle(225, 15, screenWidth - 240, screenHeight - 30, RAYWHITE);
+
+    DrawText("GESTURES TEST AREA", screenWidth - 270, screenHeight - 40, 20, Fade(GRAY, 0.5f));
+
+    for (int i = 0; i < gesturesCount; i++)
+    {
+        if (i % 2 == 0){
+            DrawRectangle(10, 30 + 20*i, 200, 20, Fade(LIGHTGRAY, 0.5f));
+        }else{
+            DrawRectangle(10, 30 + 20*i, 200, 20, Fade(LIGHTGRAY, 0.3f));
+        }
+        if (i < gesturesCount - 1){
+            DrawText(gestureStrings[i], 35, 36 + 20*i, 10, DARKGRAY);
+        }else{
+            DrawText(gestureStrings[i], 35, 36 + 20*i, 10, MAROON);
+        }
+    }
+
+    DrawRectangleLines(10, 29, 200, screenHeight - 50, GRAY);
+    DrawText(
+             TextFormat("TOUCH COUNT: %d", GetTouchPointCount()),
+             50, 15, 10, GRAY
+             );
+
+    for(int i=0; i < GetTouchPointCount(); i++){
+        DrawCircleV(GetTouchPosition(i), 30, MAROON);
+    }
+    EndDrawing();
+}
+
+void ios_destroy(){
+    CloseWindow();        // Close window and OpenGL context
+}
+
+#endif