Initial Commit

9 files changed, 397 insertions, 0 deletions

diff --git a/src/main/java/me/djtheredstoner/perspectivemod/PerspectiveMod.java b/src/main/java/me/djtheredstoner/perspectivemod/PerspectiveMod.java
new file mode 100644
index 0000000..f819c66
--- /dev/null
+++ b/src/main/java/me/djtheredstoner/perspectivemod/PerspectiveMod.java
@@ -0,0 +1,145 @@
+package me.djtheredstoner.perspectivemod;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import me.djtheredstoner.perspectivemod.config.PerspectiveModConfig;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.settings.KeyBinding;
+import net.minecraftforge.client.ClientCommandHandler;
+import net.minecraftforge.common.MinecraftForge;
+import net.minecraftforge.fml.client.registry.ClientRegistry;
+import net.minecraftforge.fml.common.Mod;
+import net.minecraftforge.fml.common.event.FMLInitializationEvent;
+import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
+import net.minecraftforge.fml.common.gameevent.InputEvent;
+import org.apache.commons.io.FileUtils;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.lwjgl.input.Keyboard;
+import org.lwjgl.input.Mouse;
+import org.lwjgl.opengl.Display;
+
+import java.io.File;
+
+
+@Mod(modid = "djperspectivemod", name = "Perspective Mod v4", version = "4.0", acceptedMinecraftVersions = "[1.8.9]", clientSideOnly = true)
+public class PerspectiveMod {
+
+    private static final Minecraft mc = Minecraft.getMinecraft();
+    private static final Gson gson = new GsonBuilder().setPrettyPrinting().create();
+    private static final KeyBinding perspectiveKey = new KeyBinding("Perspective", Keyboard.KEY_LMENU, "Perspective Mod");
+    private static final Logger logger = LogManager.getLogger("Perspective Mod v4");
+
+    public static PerspectiveModConfig config;
+
+    public static boolean perspectiveToggled = false;
+    public static float cameraYaw = 0F;
+    public static float cameraPitch = 0F;
+    private static int previousPerspective = 0;
+
+    @Mod.EventHandler
+    public void preInit(FMLPreInitializationEvent event) {
+        File configFile = new File(event.getModConfigurationDirectory(), "perspectivemodv4.json");
+        loadConfig(configFile);
+        Runtime.getRuntime().addShutdownHook(new Thread(() -> {
+            saveConfig(configFile);
+        }));
+    }
+
+    @Mod.EventHandler
+    public void init(FMLInitializationEvent event) {
+        ClientRegistry.registerKeyBinding(perspectiveKey);
+        ClientCommandHandler.instance.registerCommand(new PerspectiveModCommand());
+        MinecraftForge.EVENT_BUS.register(this);
+    }
+
+    @SubscribeEvent
+    public void onKeyEvent(InputEvent.KeyInputEvent event) {
+        if(perspectiveKey.getKeyCode() > 0) {
+            onPressed(Keyboard.getEventKey(), Keyboard.getEventKeyState());
+        }
+    }
+
+    @SubscribeEvent
+    public void onMouseEvent(InputEvent.MouseInputEvent event) {
+        if(perspectiveKey.getKeyCode() < 0) {
+            onPressed(Mouse.getEventButton() - 100, Mouse.getEventButtonState());
+        }
+    }
+
+    public static void onPressed(int eventKey, boolean state) {
+        if (eventKey == perspectiveKey.getKeyCode()) {
+            if(config.modEnabled) {
+                if (state) {
+                    perspectiveToggled = !perspectiveToggled;
+                    cameraYaw = mc.thePlayer.rotationYaw;
+                    cameraPitch = mc.thePlayer.rotationPitch;
+
+                    if (perspectiveToggled) {
+                        previousPerspective = mc.gameSettings.thirdPersonView;
+                        mc.gameSettings.thirdPersonView = 1;
+                    } else {
+                        mc.gameSettings.thirdPersonView = previousPerspective;
+                    }
+                } else if (config.holdMode) {
+                    perspectiveToggled = false;
+                    mc.gameSettings.thirdPersonView = previousPerspective;
+                }
+            } else if(perspectiveToggled) {
+                perspectiveToggled = false;
+                mc.gameSettings.thirdPersonView = previousPerspective;
+            }
+        }
+    }
+
+    public static boolean overrideMouse() {
+        if (mc.inGameHasFocus && Display.isActive())
+        {
+            if (!perspectiveToggled)
+            {
+                return true;
+            }
+
+            // CODE
+            mc.mouseHelper.mouseXYChange();
+            float f1 = mc.gameSettings.mouseSensitivity * 0.6F + 0.2F;
+            float f2 = f1 * f1 * f1 * 8.0F;
+            float f3 = (float) mc.mouseHelper.deltaX * f2;
+            float f4 = (float) mc.mouseHelper.deltaY * f2;
+
+            cameraYaw += f3 * 0.15F;
+            cameraPitch += f4 * 0.15F;
+
+            if (cameraPitch > 90) cameraPitch = 90;
+            if (cameraPitch < -90) cameraPitch = -90;
+        }
+
+        return false;
+    }
+
+    public static void loadConfig(File configFile) {
+        if(configFile.exists()) {
+            try {
+                String json = FileUtils.readFileToString(configFile);
+                config = gson.fromJson(json, PerspectiveModConfig.class);
+            } catch (Exception e) {
+                logger.error("Error Loading Config, try deleting the file.");
+                e.printStackTrace();
+            }
+        } else {
+            config = new PerspectiveModConfig();
+            saveConfig(configFile);
+        }
+    }
+
+    public static void saveConfig(File configFile) {
+        try {
+            String json = gson.toJson(config);
+            FileUtils.write(configFile, json);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    };
+
+}
diff --git a/src/main/java/me/djtheredstoner/perspectivemod/PerspectiveModCommand.java b/src/main/java/me/djtheredstoner/perspectivemod/PerspectiveModCommand.java
new file mode 100644
index 0000000..c19c81c
--- /dev/null
+++ b/src/main/java/me/djtheredstoner/perspectivemod/PerspectiveModCommand.java
@@ -0,0 +1,88 @@
+package me.djtheredstoner.perspectivemod;
+
+import net.minecraft.command.CommandBase;
+import net.minecraft.command.CommandException;
+import net.minecraft.command.ICommandSender;
+import net.minecraft.util.ChatComponentText;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class PerspectiveModCommand extends CommandBase {
+
+    private final String PREFIX = "§c[§6Perspective Mod§c] §r";
+
+    @Override
+    public String getCommandName() {
+        return "perspectivemod";
+    }
+
+    @Override
+    public List<String> getCommandAliases() {
+        List<String> aliases = new ArrayList<>();
+        aliases.add("pmod");
+        return aliases;
+    }
+
+    @Override
+    public String getCommandUsage(ICommandSender sender) {
+        return  "§6Perspective Mod Help\n" +
+                "§b/pmod <enable|disable> §7- Enables or disables the mod.\n" +
+                "§b/pmod mode <hold|toggle> §7- Changes the mode.\n" +
+                "§7Edit the keybind in the minecraft controls menu.";
+    }
+
+    @Override
+    public void processCommand(ICommandSender sender, String[] args) throws CommandException {
+        if(args.length > 0 && args.length < 3) {
+            String arg = args[0];
+            if(arg.equalsIgnoreCase("enable")) {
+                PerspectiveMod.config.modEnabled = true;
+
+                sendMessage(sender, "§bMod §aEnabled§b.");
+            } else if(arg.equalsIgnoreCase("disable")) {
+                PerspectiveMod.config.modEnabled = false;
+
+                sendMessage(sender, "§bMod §cDisabled§b.");
+            } else if(arg.equalsIgnoreCase("mode")) {
+                if(args.length == 2) {
+                    String mode = args[1];
+                    if(mode.equalsIgnoreCase("hold")) {
+                        PerspectiveMod.config.holdMode = true;
+
+                        sendMessage(sender, "§bMode set to hold.");
+                    } else if(mode.equalsIgnoreCase("toggle")) {
+                        PerspectiveMod.config.holdMode = false;
+
+                        sendMessage(sender, "§bMode set to toggle.");
+                    } else {
+                        sendMessage(sender, "§cInvalid mode. Valid mode are hold and toggle.");
+                    }
+                } else {
+                    sendMessage(sender, "§cYou must specify a mode. Valid Modes are hold and toggle.");
+                }
+            } else {
+                sendHelp(sender);
+            }
+        } else {
+            sendHelp(sender);
+        }
+    }
+
+    @Override
+    public int getRequiredPermissionLevel() {
+        return -1;
+    }
+
+    private void sendHelp(ICommandSender sender) {
+        sendMessage(sender, getCommandUsage(sender), false);
+    }
+
+    private void sendMessage(ICommandSender sender, String message, boolean addPrefix) {
+        sender.addChatMessage(new ChatComponentText((addPrefix ? PREFIX : "") + message));
+    }
+
+    private void sendMessage(ICommandSender sender, String message) {
+        sendMessage(sender, message, true);
+    }
+}
diff --git a/src/main/java/me/djtheredstoner/perspectivemod/config/PerspectiveModConfig.java b/src/main/java/me/djtheredstoner/perspectivemod/config/PerspectiveModConfig.java
new file mode 100644
index 0000000..d4b1922
--- /dev/null
+++ b/src/main/java/me/djtheredstoner/perspectivemod/config/PerspectiveModConfig.java
@@ -0,0 +1,8 @@
+package me.djtheredstoner.perspectivemod.config;
+
+public class PerspectiveModConfig {
+
+    public boolean modEnabled = true;
+    public boolean holdMode = true;
+
+}
diff --git a/src/main/java/me/djtheredstoner/perspectivemod/forge/PerspectiveModLoadingPlugin.java b/src/main/java/me/djtheredstoner/perspectivemod/forge/PerspectiveModLoadingPlugin.java
new file mode 100644
index 0000000..7eecf46
--- /dev/null
+++ b/src/main/java/me/djtheredstoner/perspectivemod/forge/PerspectiveModLoadingPlugin.java
@@ -0,0 +1,42 @@
+package me.djtheredstoner.perspectivemod.forge;
+
+import net.minecraftforge.fml.relauncher.IFMLLoadingPlugin;
+import org.spongepowered.asm.launch.MixinBootstrap;
+import org.spongepowered.asm.mixin.Mixins;
+
+import java.util.Map;
+
+// ONLY needed in development environment, the mixin tweaker handles this in prod.
+public class PerspectiveModLoadingPlugin implements IFMLLoadingPlugin {
+
+    public PerspectiveModLoadingPlugin() {
+        MixinBootstrap.init();
+
+        Mixins.addConfiguration("mixins.perspectivemod.json");
+    }
+
+    @Override
+    public String[] getASMTransformerClass() {
+        return new String[0];
+    }
+
+    @Override
+    public String getModContainerClass() {
+        return null;
+    }
+
+    @Override
+    public String getSetupClass() {
+        return null;
+    }
+
+    @Override
+    public void injectData(Map<String, Object> data) {
+
+    }
+
+    @Override
+    public String getAccessTransformerClass() {
+        return null;
+    }
+}
diff --git a/src/main/java/me/djtheredstoner/perspectivemod/mixins/MixinEntityRenderer.java b/src/main/java/me/djtheredstoner/perspectivemod/mixins/MixinEntityRenderer.java
new file mode 100644
index 0000000..3290aff
--- /dev/null
+++ b/src/main/java/me/djtheredstoner/perspectivemod/mixins/MixinEntityRenderer.java
@@ -0,0 +1,41 @@
+package me.djtheredstoner.perspectivemod.mixins;
+
+import me.djtheredstoner.perspectivemod.PerspectiveMod;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.EntityRenderer;
+import net.minecraft.entity.Entity;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+import static org.objectweb.asm.Opcodes.*;
+
+@Mixin(EntityRenderer.class)
+public class MixinEntityRenderer {
+
+    @Redirect(method = "updateCameraAndRender", at = @At(value = "FIELD", target = "Lnet/minecraft/client/Minecraft;inGameHasFocus:Z", opcode = GETFIELD))
+    public boolean updateCameraAndRender(Minecraft minecraft) {
+        return PerspectiveMod.overrideMouse();
+    }
+
+    @Redirect(method = "orientCamera", at = @At(value = "FIELD", target = "Lnet/minecraft/entity/Entity;rotationYaw:F", opcode = GETFIELD))
+    public float getRotationYaw(Entity entity) {
+        return PerspectiveMod.perspectiveToggled ? PerspectiveMod.cameraYaw : entity.rotationYaw;
+    }
+
+    @Redirect(method = "orientCamera", at = @At(value = "FIELD", target = "Lnet/minecraft/entity/Entity;prevRotationYaw:F", opcode = GETFIELD))
+    public float getPrevRotationYaw(Entity entity) {
+        return PerspectiveMod.perspectiveToggled ? PerspectiveMod.cameraYaw : entity.prevRotationYaw;
+    }
+
+    @Redirect(method = "orientCamera", at = @At(value = "FIELD", target = "Lnet/minecraft/entity/Entity;rotationPitch:F", opcode = GETFIELD))
+    public float getRotationPitch(Entity entity) {
+        return PerspectiveMod.perspectiveToggled ? PerspectiveMod.cameraPitch : entity.rotationPitch;
+    }
+
+    @Redirect(method = "orientCamera", at = @At(value = "FIELD", target = "Lnet/minecraft/entity/Entity;prevRotationPitch:F"))
+    public float getPrevRotationPitch(Entity entity) {
+        return PerspectiveMod.perspectiveToggled ? PerspectiveMod.cameraPitch : entity.prevRotationPitch;
+    }
+
+}
diff --git a/src/main/java/me/djtheredstoner/perspectivemod/mixins/MixinRenderManager.java b/src/main/java/me/djtheredstoner/perspectivemod/mixins/MixinRenderManager.java
new file mode 100644
index 0000000..469d7fa
--- /dev/null
+++ b/src/main/java/me/djtheredstoner/perspectivemod/mixins/MixinRenderManager.java
@@ -0,0 +1,24 @@
+package me.djtheredstoner.perspectivemod.mixins;
+
+import me.djtheredstoner.perspectivemod.PerspectiveMod;
+import net.minecraft.client.renderer.entity.RenderManager;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+import static org.objectweb.asm.Opcodes.*;
+
+@Mixin(RenderManager.class)
+public class MixinRenderManager {
+
+    @Redirect(method = "cacheActiveRenderInfo", at = @At(value = "FIELD", target = "Lnet/minecraft/client/renderer/entity/RenderManager;playerViewX:F", opcode = PUTFIELD))
+    public void getPlayerViewX(RenderManager renderManager, float value) {
+        renderManager.playerViewX = PerspectiveMod.perspectiveToggled ? PerspectiveMod.cameraPitch : value;
+    }
+
+    @Redirect(method = "cacheActiveRenderInfo", at = @At(value = "FIELD", target = "Lnet/minecraft/client/renderer/entity/RenderManager;playerViewY:F", opcode = PUTFIELD))
+    public void getPlayerViewY(RenderManager renderManager, float value) {
+        renderManager.playerViewY = PerspectiveMod.perspectiveToggled ? PerspectiveMod.cameraYaw : value;
+    }
+
+}
diff --git a/src/main/resources/LICENSE b/src/main/resources/LICENSE
new file mode 100644
index 0000000..45ae6c4
--- /dev/null
+++ b/src/main/resources/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 DJtheRedstoner
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
\ No newline at end of file
diff --git a/src/main/resources/mcmod.info b/src/main/resources/mcmod.info
new file mode 100644
index 0000000..5827825
--- /dev/null
+++ b/src/main/resources/mcmod.info
@@ -0,0 +1,16 @@
+[
+{
+  "modid": "djperspectivemod",
+  "name": "Perspective Mod v4",
+  "description": "",
+  "version": "${version}",
+  "mcversion": "${mcversion}",
+  "url": "",
+  "updateUrl": "",
+  "authorList": ["DJtheRedstoner"],
+  "credits": "",
+  "logoFile": "",
+  "screenshots": [],
+  "dependencies": []
+}
+]
diff --git a/src/main/resources/mixins.perspectivemod.json b/src/main/resources/mixins.perspectivemod.json
new file mode 100644
index 0000000..f307ca6
--- /dev/null
+++ b/src/main/resources/mixins.perspectivemod.json
@@ -0,0 +1,12 @@
+{
+  "required": true,
+  "minVersion": "0.7.10",
+  "package": "me.djtheredstoner.perspectivemod.mixins",
+  "refmap": "mixins.perspectivemod.refmap.json",
+  "target": "@env(DEFAULT)",
+  "compatibilityLevel": "JAVA_8",
+  "mixins": [
+    "MixinEntityRenderer",
+    "MixinRenderManager"
+  ]
+}
\ No newline at end of file