Added mouse support and changed some stuff for ldc and gdc again.

TODO.md

@@ -2,11 +2,10 @@
 
 * Work on dialogue system.
 * Work on UI buttons that work like RPGMaker.
+* Test engine on Windows.
 
 # TODO
 
-* Dialogue functionality in dialogue.d must be implemented.
-* UI functionality must be implemented.
 * Collision functionality must be implemented.
 * Add more parsing options for fmt.d and strconv.d.
 * Write tests.

core/strconv.d

@@ -266,7 +266,9 @@ const(char)* toStrz(const(char)[] str) {
     static char[1024] buf = void;
     auto result = buf[];
 
-    result[0 .. str.length] = str;
+    foreach (i, c; str) {
+        result[i] = c;
+    }
     result[str.length] = '\0';
     return result.ptr;
 }

core/sumtype.d

@@ -6,8 +6,11 @@
 
 module popka.core.sumtype;
 
-struct None {};
+/// The none type.
+struct None {}
 
+/// A data structure that can hold one of several possible types.
+/// Note that generic types are not currently supported.
 struct SumType(A...) {
     template memberName(T) {
         mixin("enum memberName = \"" ~ ((T.stringof[0] >= 'A' && T.stringof[0] <= 'Z') ? cast(char) (T.stringof[0] + 32) : T.stringof[0]) ~ T.stringof[1 .. $] ~ "\";");
@@ -61,6 +64,14 @@ struct SumType(A...) {
 
 alias Optional(T) = SumType!(None, T);
 
+bool isNone(T)(T optional) {
+    return optional.kind == optional.noneKind;
+}
+
+bool isSome(T)(T optional) {
+    return optional.kind != optional.noneKind;
+}
+
 bool hasCommonBase(T)() {
     alias Base = typeof(T.init.data.tupleof[0]);
 
@@ -76,7 +87,14 @@ bool hasCommonBase(T)() {
 
 mixin template AddBase(T) {
     T base;
-    alias data this;
+    alias base this;
 }
 
-unittest {}
+unittest {
+    auto optional = Optional!int();
+    assert(optional.isNone);
+    optional = 69;
+    assert(optional.isSome);
+    optional = None();
+    assert(optional.isNone);
+}

game/engine.d

@@ -566,7 +566,10 @@ bool isWindowOpen() {
                     popkaFullscreenFlag = false;
                     ray.ToggleFullscreen();
                     if (!isFullscreen) {
-                        windowSize(popkaFullscreenLastWindowSize);
+                        auto size = popkaFullscreenLastWindowSize;
+                        auto screen = screenSize;
+                        ray.SetWindowSize(cast(int) size.x, cast(int) size.y);
+                        ray.SetWindowPosition(cast(int) (screen.x * 0.5f - size.x * 0.5f), cast(int) (screen.y * 0.5f - size.y * 0.5f));
                     }
                 }
             }
@@ -612,17 +615,25 @@ void toggleFullscreen() {
         popkaFullscreenFlag = true;
         if (!isFullscreen) {
             popkaFullscreenLastWindowSize = windowSize;
-            windowSize(screenSize);
+            auto size = screenSize;
+            auto screen = screenSize;
+            ray.SetWindowSize(cast(int) size.x, cast(int) size.y);
+            ray.SetWindowPosition(cast(int) (screen.x * 0.5f - size.x * 0.5f), cast(int) (screen.y * 0.5f - size.y * 0.5f));
         }
     }
 }
 
-Vec2 screenSize(uint id) {
-    return Vec2(ray.GetMonitorWidth(id), ray.GetMonitorHeight(id));
-}
-
 Vec2 screenSize() {
-    return screenSize(ray.GetCurrentMonitor());
+    auto id = ray.GetCurrentMonitor();
+    return Vec2(ray.GetMonitorWidth(id), ray.GetMonitorHeight(id));
+}
+
+float screenWidth() {
+    return screenSize.x;
+}
+
+float screenHeight() {
+    return screenSize.y;
 }
 
 Vec2 windowSize() {
@@ -633,10 +644,12 @@ Vec2 windowSize() {
     }
 }
 
-void windowSize(Vec2 size) {
-    auto screen = screenSize;
-    ray.SetWindowSize(cast(int) size.x, cast(int) size.y);
-    ray.SetWindowPosition(cast(int) (screen.x * 0.5f - size.x * 0.5f), cast(int) (screen.y * 0.5f - size.y * 0.5f));
+float windowWidth() {
+    return windowSize.x;
+}
+
+float windowHeight() {
+    return windowSize.y;
 }
 
 Vec2 resolution() {
@@ -647,6 +660,36 @@ Vec2 resolution() {
     }
 }
 
+float resolutionWidth() {
+    return resolution.x;
+}
+
+float resolutionHeight() {
+    return resolution.y;
+}
+
+Vec2 mousePosition() {
+    if (isResolutionLocked) {
+        auto window = windowSize;
+        auto minRatio = min(window.x / popkaView.width, window.y / popkaView.height);
+        auto targetSize = popkaView.size * Vec2(minRatio);
+        return Vec2(
+            clamp((ray.GetMouseX() - (window.x - targetSize.x) * 0.5f) / minRatio, 0.0f, popkaView.width),
+            clamp((ray.GetMouseY() - (window.y - targetSize.y) * 0.5f) / minRatio, 0.0f, popkaView.height),
+        );
+    } else {
+        return Vec2(ray.GetMouseX(), ray.GetMouseY());
+    }
+}
+
+float mouseX() {
+    return mousePosition.x;
+}
+
+float mouseY() {
+    return mousePosition.y;
+}
+
 int fps() {
     return ray.GetFPS();
 }

vendor/ray/raylib.d

@@ -175,25 +175,25 @@ enum RAYWHITE =   Color( 245, 245, 245, 255 );   // My own White (raylib logo)
 // Vector2, 2 components
 struct Vector2
 {
-    float x; // Vector x component
-    float y; // Vector y component
+    float x = 0.0f; // Vector x component
+    float y = 0.0f; // Vector y component
 }
 
 // Vector3, 3 components
 struct Vector3
 {
-    float x; // Vector x component
-    float y; // Vector y component
-    float z; // Vector z component
+    float x = 0.0f; // Vector x component
+    float y = 0.0f; // Vector y component
+    float z = 0.0f; // Vector z component
 }
 
 // Vector4, 4 components
 struct Vector4
 {
-    float x; // Vector x component
-    float y; // Vector y component
-    float z; // Vector z component
-    float w; // Vector w component
+    float x = 0.0f; // Vector x component
+    float y = 0.0f; // Vector y component
+    float z = 0.0f; // Vector z component
+    float w = 0.0f; // Vector w component
 }
 
 // Quaternion, 4 components (Vector4 alias)
@@ -202,22 +202,22 @@ alias Quaternion = Vector4;
 // Matrix, 4x4 components, column major, OpenGL style, right-handed
 struct Matrix
 {
-    float m0;
-    float m4;
-    float m8;
-    float m12; // Matrix first row (4 components)
-    float m1;
-    float m5;
-    float m9;
-    float m13; // Matrix second row (4 components)
-    float m2;
-    float m6;
-    float m10;
-    float m14; // Matrix third row (4 components)
-    float m3;
-    float m7;
-    float m11;
-    float m15; // Matrix fourth row (4 components)
+    float m0 = 0.0f;
+    float m4 = 0.0f;
+    float m8 = 0.0f;
+    float m12 = 0.0f; // Matrix first row (4 components)
+    float m1 = 0.0f;
+    float m5 = 0.0f;
+    float m9 = 0.0f;
+    float m13 = 0.0f; // Matrix second row (4 components)
+    float m2 = 0.0f;
+    float m6 = 0.0f;
+    float m10 = 0.0f;
+    float m14 = 0.0f; // Matrix third row (4 components)
+    float m3 = 0.0f;
+    float m7 = 0.0f;
+    float m11 = 0.0f;
+    float m15 = 0.0f; // Matrix fourth row (4 components)
 }
 
 // Color, 4 components, R8G8B8A8 (32bit)
@@ -232,10 +232,10 @@ struct Color
 // Rectangle, 4 components
 struct Rectangle
 {
-    float x; // Rectangle top-left corner position x
-    float y; // Rectangle top-left corner position y
-    float width; // Rectangle width
-    float height; // Rectangle height
+    float x = 0.0f; // Rectangle top-left corner position x
+    float y = 0.0f; // Rectangle top-left corner position y
+    float width = 0.0f; // Rectangle width
+    float height = 0.0f; // Rectangle height
 }
 
 // Image, pixel data stored in CPU memory (RAM)
@@ -313,7 +313,7 @@ struct Camera3D
     Vector3 position; // Camera position
     Vector3 target; // Camera target it looks-at
     Vector3 up; // Camera up vector (rotation over its axis)
-    float fovy; // Camera field-of-view aperture in Y (degrees) in perspective, used as near plane width in orthographic
+    float fovy = 0.0f; // Camera field-of-view aperture in Y (degrees) in perspective, used as near plane width in orthographic
     int projection; // Camera projection: CAMERA_PERSPECTIVE or CAMERA_ORTHOGRAPHIC
 }
 
@@ -324,8 +324,8 @@ struct Camera2D
 {
     Vector2 offset; // Camera offset (displacement from target)
     Vector2 target; // Camera target (rotation and zoom origin)
-    float rotation; // Camera rotation in degrees
-    float zoom; // Camera zoom (scaling), should be 1.0f by default
+    float rotation = 0.0f; // Camera rotation in degrees
+    float zoom = 0.0f; // Camera zoom (scaling), should be 1.0f by default
 }
 
 // Mesh, vertex data and vao/vbo
@@ -366,7 +366,7 @@ struct MaterialMap
 {
     Texture2D texture; // Material map texture
     Color color; // Material map color
-    float value; // Material map value
+    float value = 0.0f; // Material map value
 }
 
 // Material, includes shader and maps
@@ -374,7 +374,7 @@ struct Material
 {
     Shader shader; // Material shader
     MaterialMap* maps; // Material maps array (MAX_MATERIAL_MAPS)
-    float[4] params; // Material generic parameters (if required)
+    float[4] params = [0.0f, 0.0f, 0.0f, 0.0f]; // Material generic parameters (if required)
 }
 
 // Transform, vertex transformation data
@@ -430,7 +430,7 @@ struct Ray
 struct RayCollision
 {
     bool hit; // Did the ray hit something?
-    float distance; // Distance to the nearest hit
+    float distance = 0.0f; // Distance to the nearest hit
     Vector3 point; // Point of the nearest hit
     Vector3 normal; // Surface normal of hit
 }
@@ -491,14 +491,14 @@ struct VrDeviceInfo
 {
     int hResolution; // Horizontal resolution in pixels
     int vResolution; // Vertical resolution in pixels
-    float hScreenSize; // Horizontal size in meters
-    float vScreenSize; // Vertical size in meters
-    float vScreenCenter; // Screen center in meters
-    float eyeToScreenDistance; // Distance between eye and display in meters
-    float lensSeparationDistance; // Lens separation distance in meters
-    float interpupillaryDistance; // IPD (distance between pupils) in meters
-    float[4] lensDistortionValues; // Lens distortion constant parameters
-    float[4] chromaAbCorrection; // Chromatic aberration correction parameters
+    float hScreenSize = 0.0f; // Horizontal size in meters
+    float vScreenSize = 0.0f; // Vertical size in meters
+    float vScreenCenter = 0.0f; // Screen center in meters
+    float eyeToScreenDistance = 0.0f; // Distance between eye and display in meters
+    float lensSeparationDistance = 0.0f; // Lens separation distance in meters
+    float interpupillaryDistance = 0.0f; // IPD (distance between pupils) in meters
+    float[4] lensDistortionValues = [0.0f, 0.0f, 0.0f, 0.0f]; // Lens distortion constant parameters
+    float[4] chromaAbCorrection = [0.0f, 0.0f, 0.0f, 0.0f]; // Chromatic aberration correction parameters
 }
 
 // VrStereoConfig, VR stereo rendering configuration for simulator
@@ -506,12 +506,12 @@ struct VrStereoConfig
 {
     Matrix[2] projection; // VR projection matrices (per eye)
     Matrix[2] viewOffset; // VR view offset matrices (per eye)
-    float[2] leftLensCenter; // VR left lens center
-    float[2] rightLensCenter; // VR right lens center
-    float[2] leftScreenCenter; // VR left screen center
-    float[2] rightScreenCenter; // VR right screen center
-    float[2] scale; // VR distortion scale
-    float[2] scaleIn; // VR distortion scale in
+    float[2] leftLensCenter = [0.0f, 0.0f]; // VR left lens center
+    float[2] rightLensCenter = [0.0f, 0.0f]; // VR right lens center
+    float[2] leftScreenCenter = [0.0f, 0.0f]; // VR left screen center
+    float[2] rightScreenCenter = [0.0f, 0.0f]; // VR right screen center
+    float[2] scale = [0.0f, 0.0f]; // VR distortion scale
+    float[2] scaleIn = [0.0f, 0.0f]; // VR distortion scale in
 }
 
 // File path list

vendor/ray/raymath.d

@@ -98,25 +98,25 @@ extern (D) auto Vector3ToFloat(T)(auto ref T vec)
 // Vector2 type
 struct Vector2
 {
-    float x;
-    float y;
+    float x = 0.0f;
+    float y = 0.0f;
 }
 
 // Vector3 type
 struct Vector3
 {
-    float x;
-    float y;
-    float z;
+    float x = 0.0f;
+    float y = 0.0f;
+    float z = 0.0f;
 }
 
 // Vector4 type
 struct Vector4
 {
-    float x;
-    float y;
-    float z;
-    float w;
+    float x = 0.0f;
+    float y = 0.0f;
+    float z = 0.0f;
+    float w = 0.0f;
 }
 
 // Quaternion type
@@ -125,33 +125,33 @@ alias Quaternion = Vector4;
 // Matrix type (OpenGL style 4x4 - right handed, column major)
 struct Matrix
 {
-    float m0;
-    float m4;
-    float m8;
-    float m12; // Matrix first row (4 components)
-    float m1;
-    float m5;
-    float m9;
-    float m13; // Matrix second row (4 components)
-    float m2;
-    float m6;
-    float m10;
-    float m14; // Matrix third row (4 components)
-    float m3;
-    float m7;
-    float m11;
-    float m15; // Matrix fourth row (4 components)
+    float m0 = 0.0f;
+    float m4 = 0.0f;
+    float m8 = 0.0f;
+    float m12 = 0.0f; // Matrix first row (4 components)
+    float m1 = 0.0f;
+    float m5 = 0.0f;
+    float m9 = 0.0f;
+    float m13 = 0.0f; // Matrix second row (4 components)
+    float m2 = 0.0f;
+    float m6 = 0.0f;
+    float m10 = 0.0f;
+    float m14 = 0.0f; // Matrix third row (4 components)
+    float m3 = 0.0f;
+    float m7 = 0.0f;
+    float m11 = 0.0f;
+    float m15 = 0.0f; // Matrix fourth row (4 components)
 }
 
 // NOTE: Helper types to be used instead of array return types for *ToFloat functions
 struct float3
 {
-    float[3] v;
+    float[3] v = [0.0f, 0.0f, 0.0f];
 }
 
 struct float16
 {
-    float[16] v;
+    float[16] v = [0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f];
 }
 
 // Required for: sinf(), cosf(), tan(), atan2f(), sqrtf(), floor(), fminf(), fmaxf(), fabs()

vendor/ray/rlgl.d

@@ -272,22 +272,22 @@ enum RL_BLEND_COLOR = 0x8005; // GL_BLEND_COLOR
 // Matrix, 4x4 components, column major, OpenGL style, right handed
 struct Matrix
 {
-    float m0;
-    float m4;
-    float m8;
-    float m12; // Matrix first row (4 components)
-    float m1;
-    float m5;
-    float m9;
-    float m13; // Matrix second row (4 components)
-    float m2;
-    float m6;
-    float m10;
-    float m14; // Matrix third row (4 components)
-    float m3;
-    float m7;
-    float m11;
-    float m15; // Matrix fourth row (4 components)
+    float m0 = 0.0f;
+    float m4 = 0.0f;
+    float m8 = 0.0f;
+    float m12 = 0.0f; // Matrix first row (4 components)
+    float m1 = 0.0f;
+    float m5 = 0.0f;
+    float m9 = 0.0f;
+    float m13 = 0.0f; // Matrix second row (4 components)
+    float m2 = 0.0f;
+    float m6 = 0.0f;
+    float m10 = 0.0f;
+    float m14 = 0.0f; // Matrix third row (4 components)
+    float m3 = 0.0f;
+    float m7 = 0.0f;
+    float m11 = 0.0f;
+    float m15 = 0.0f; // Matrix fourth row (4 components)
 }
 
 // Dynamic vertex buffers (position + texcoords + colors + indices arrays)
@@ -333,7 +333,7 @@ struct rlRenderBatch
 
     rlDrawCall* draws; // Draw calls array, depends on textureId
     int drawCounter; // Draw calls counter
-    float currentDepth; // Current depth value for next draw
+    float currentDepth = 0.0f; // Current depth value for next draw
 }
 
 // OpenGL version