Merge pull request #11 from RudideC/master

zoom mod

src/main/java/org/saturnclient/modules/ModManager.java

@@ -20,7 +20,8 @@ public class ModManager {
             new Fullbright(),
             new NoFog(),
             new DayCounter(),
-            new Speedometer()
+            new Speedometer(),
+            new Zoom()
     };
 
     public static void init() {

src/main/java/org/saturnclient/modules/mods/Zoom.java

@@ -0,0 +1,60 @@
+package org.saturnclient.modules.mods;
+
+import org.lwjgl.glfw.GLFW;
+import org.saturnclient.modules.Module;
+import org.saturnclient.modules.ModuleDetails;
+import org.saturnclient.saturnclient.config.Property;
+
+public class Zoom extends Module {
+    private static Property<Boolean> enabled = Property.bool(false);
+    private static Property<Boolean> toggle = Property.bool(false);
+    public static Property<Integer> zoomKey = Property.keybinding(GLFW.GLFW_KEY_C);
+    public static Property<Float> zoomLevel = Property.floatProp(3.0f);
+    
+    public static boolean isZooming = false;
+    
+    public Zoom() {
+        super(
+            new ModuleDetails("Zoom", "zoom")
+                .description("Allows you to zoom in for a closer view")
+                .tags("Camera", "Utility")
+                .version("0.1.0"),
+            enabled.named("Enabled"),
+            toggle.named("Toggle zoom"),
+            zoomKey.named("Zoom Keybinding"),
+            zoomLevel.named("Zoom Level")
+        );
+    }
+    
+    @Override
+    public void tick() {
+        if (toggle.value) {
+            if (zoomKey.wasKeyPressed()) {
+                isZooming = !isZooming;
+            }
+        } else {
+            isZooming = zoomKey.isKeyPressed();
+        }
+    }
+
+    public static float getZoomLevel() {
+        return zoomLevel.value;
+    }
+
+    public static boolean shouldZoom() { 
+        return enabled.value;
+    }
+
+    @Override
+    public void onEnabled(boolean e) {
+        enabled.value = e;
+        if (!e) {
+            isZooming = false;
+        }
+    }
+
+    @Override
+    public boolean isEnabled() {
+        return enabled.value;
+    }
+}

src/main/java/org/saturnclient/modules/mods/mixins/GameRendererMixin.java

@@ -0,0 +1,22 @@
+package org.saturnclient.modules.mods.mixins;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+import org.saturnclient.modules.mods.Zoom;
+
+import net.minecraft.client.render.GameRenderer;
+
+@Mixin(GameRenderer.class)
+public class GameRendererMixin {
+    
+    @Inject(method = "getFov", at = @At("RETURN"), cancellable = true)
+    private void onGetFov(CallbackInfoReturnable<Float> cir) {
+        if (Zoom.isZooming && Zoom.shouldZoom()) {
+            float originalFov = cir.getReturnValue();
+            float zoomedFov = originalFov / Zoom.getZoomLevel();
+            cir.setReturnValue(zoomedFov);
+        }
+    }
+}

src/main/resources/mods.mixins.json

@@ -8,7 +8,8 @@
     "EntityMixin",
     "RenderMixin",
     "LightmapTextureManagerMixin",
-    "BackgroundRendererMixin"
+    "BackgroundRendererMixin",
+    "GameRendererMixin"
   ],
   "injectors": {
     "defaultRequire": 1