Entity, Renderer: Add (incomplete) pig, remake entity renderer

source/client/model/Cube.cpp

@@ -16,30 +16,29 @@ Cube::Cube(int a, int b)
 	m_posX = m_posY = m_posZ = 0.0f;
 	m_rotX = m_rotY = m_rotZ = 0.0f;
 
-	field_18 = false;
-	field_19 = true;
-	field_1A = false;
+	m_swapX = false;
+	m_bIgnore = false;
 	m_bCompiled = false;
-	field_2C0 = 0;
 	m_buffer = 0;
 	m_brightness = 1.0f;
 
-	field_2B4 = a;
-	field_2B8 = b;
+	m_texOffsetX = a;
+	m_texOffsetY = b;
 }
 
-void Cube::addBox(float x, float y, float z, int d, int e, int f, float g)
+void Cube::addBox(float x, float y, float z, int displayX, int displayY, int displayZ, float scale)
 {
+	int d = displayX, e = displayY, f = displayZ;
 	float x1 = x, y1 = y, z1 = z;
 	float x2 = x + float(d), y2 = y + float(e), z2 = z + float(f);
-	x1 -= g;
-	y1 -= g;
-	z1 -= g;
-	x2 += g;
-	y2 += g;
-	z2 += g;
+	x1 -= scale;
+	y1 -= scale;
+	z1 -= scale;
+	x2 += scale;
+	y2 += scale;
+	z2 += scale;
 
-	if (field_18)
+	if (m_swapX)
 		std::swap(x1, x2);
 
 	m_verts[0] = VertexPT(x1, y1, z1, 0.0f, 0.0f);
@@ -51,7 +50,7 @@ void Cube::addBox(float x, float y, float z, int d, int e, int f, float g)
 	m_verts[6] = VertexPT(x2, y2, z2, 8.0f, 8.0f);
 	m_verts[7] = VertexPT(x1, y2, z2, 8.0f, 0.0f);
 
-	int m = field_2B4, n = field_2B8;
+	int m = m_texOffsetX, n = m_texOffsetY;
 
 	m_faces[0] = PolygonQuad(&m_verts[5], &m_verts[1], &m_verts[2], &m_verts[6], m + f + d,     n + f, m + f + d + f,     n + f + e);     // x2 face
 	m_faces[1] = PolygonQuad(&m_verts[0], &m_verts[4], &m_verts[7], &m_verts[3], m,             n + f, m + f,             n + f + e);     // x1 face
@@ -68,7 +67,7 @@ void Cube::addBox(float x, float y, float z, int d, int e, int f, float g)
 	m_faces[3].setColor(0.5f, 0.5f, 0.5f);
 #endif
 
-	if (field_18)
+	if (m_swapX)
 	{
 		for (int i = 0; i < 6; i++)
 			m_faces[i].mirror();
@@ -114,10 +113,7 @@ void Cube::drawSlow(float scale)
 
 void Cube::render(float scale)
 {
-	if (field_1A)
-		return;
-
-	if (!field_19)
+	if (m_bIgnore)
 		return;
 
 	if (!m_bCompiled)
@@ -159,10 +155,7 @@ void Cube::translateRotTo(float scale)
 
 void Cube::translateTo(float scale)
 {
-	if (field_1A)
-		return;
-
-	if (!field_19)
+	if (m_bIgnore)
 		return;
 
 	if (!hasDefaultRot())
@@ -197,6 +190,6 @@ void Cube::setPos(float x, float y, float z)
 
 void Cube::setTexOffs(int a, int b)
 {
-	field_2B4 = a;
-	field_2B8 = b;
+	m_texOffsetX = a;
+	m_texOffsetY = b;
 }

source/client/model/Cube.hpp

@@ -15,7 +15,7 @@ class Cube
 public:
 	Cube(int, int);
 
-	void addBox(float a, float b, float c, int d, int e, int f, float g = 0);
+	void addBox(float x, float y, float z, int displayX, int displayY, int displayZ, float scale = 0);
 	// @TODO: void addTexBox(float a, float b, float c, int d, int e, int f, int g); -- No xrefs
 	void compile(float scale);
 	void draw();
@@ -39,15 +39,13 @@ public:
 	float m_rotX;
 	float m_rotY;
 	float m_rotZ;
-	bool field_18;
-	bool field_19;
-	bool field_1A;
+	bool m_swapX;
+	bool m_bIgnore;
 	VertexPT m_verts[8];
 	PolygonQuad m_faces[6];
-	int field_2B4;
-	int field_2B8;
+	int m_texOffsetX;
+	int m_texOffsetY;
 	bool m_bCompiled;
-	int field_2C0;
 	GLuint m_buffer;
 	float m_brightness;
 

source/client/model/HumanoidModel.cpp

@@ -27,12 +27,12 @@ HumanoidModel::HumanoidModel(float a, float b):
 	m_body.setPos(0, b, 0);
 	m_armL.addBox(-3, -2, -2, 4, 12, 4, a);
 	m_armL.setPos(-5, b + 2, 0);
-	m_armR.field_18 = true;
+	m_armR.m_swapX = true;
 	m_armR.addBox(-1, -2, -2, 4, 12, 4, a);
 	m_armR.setPos(5, b + 2, 0);
 	m_legL.addBox(-2, 0, -2, 4, 12, 4, a);
 	m_legL.setPos(-2, b + 12, 0);
-	m_legR.field_18 = true;
+	m_legR.m_swapX = true;
 	m_legR.addBox(-2, 0, -2, 4, 12, 4, a);
 	m_legR.setPos(2, b + 12, 0);
 }

source/client/model/Model.cpp

@@ -8,10 +8,11 @@
 
 #include "Model.hpp"
 
-Model::Model()
+Model::Model(std::string texture)
 {
 	field_4 = 0.0f;
 	field_8 = false;
+	m_texture = texture;
 }
 
 void Model::onGraphicsReset()

source/client/model/Model.hpp

@@ -15,7 +15,7 @@ class Mob;
 class Model
 {
 public:
-	Model();
+	Model(std::string texture = "mob/char.png");
 	virtual void onGraphicsReset();
 	virtual void prepareMobModel(Mob*, float, float, float);
 	virtual void render(float, float, float, float, float, float);
@@ -25,4 +25,5 @@ public:
 public:
 	float field_4;
 	bool field_8;
+	std::string m_texture;
 };

source/client/model/PigModel.cpp

@@ -0,0 +1,107 @@
+/********************************************************************
+	Minecraft: Pocket Edition - Decompilation Project
+	Copyright (C) 2023 iProgramInCpp
+
+	The following code is licensed under the BSD 1 clause license.
+	SPDX-License-Identifier: BSD-1-Clause
+ ********************************************************************/
+
+#include "PigModel.hpp"
+#include "client/app/Minecraft.hpp"
+
+PigModel::PigModel(float a, float b):
+	Model("mob/pig.png"),
+	m_head(0,  0),
+	m_body(28, 16),
+	m_armL(0,  16),
+	m_armR(0,  16),
+	m_legL(0,  16),
+	m_legR(0,  16),
+	m_snout(16, 16)
+{
+	// @NOTE: Why 25 (19+6) is lowest Y coordinate? I have many questions to Mojang
+
+	m_head.addBox(-2, 9, -9, 8, 8, 8, a);
+	m_head.setPos(0, b, 0);
+	m_snout.addBox(0, 12, -10, 4, 3, 1);
+	m_snout.setPos(0, b, 0);
+
+	m_body.addBox(-3, 11, -3, 10, 8, 16, a);
+	m_body.setPos(0, b, 0);
+
+	m_armL.addBox(-3, 19, -2, 4, 6, 4, a);
+	m_armL.setPos(0, b, 0);
+	m_armR.addBox(3,  19, -2, 4, 6, 4, a);
+	m_armR.setPos(0, b, 0);
+	m_legL.addBox(-3, 19, 9, 4, 6, 4, a);
+	m_legL.setPos(0, b, 0);
+	m_legR.addBox(3,  19, 9, 4, 6, 4, a);
+	m_legR.setPos(0, b, 0);
+}
+
+void PigModel::_logGraphics()
+{
+	Matrix m;
+
+	if (Minecraft::customDebugId == 1)
+	{
+		// @NOTE: I think most of this function was ifdef'd/commented out
+		m.fetchGL(GL_MODELVIEW_MATRIX);
+	}
+}
+
+void PigModel::onGraphicsReset()
+{
+	m_head.m_bCompiled = false;
+	m_body.m_bCompiled = false;
+	m_armL.m_bCompiled = false;
+	m_armR.m_bCompiled = false;
+	m_legL.m_bCompiled = false;
+	m_legR.m_bCompiled = false;
+	m_snout.m_bCompiled = false;
+}
+
+void PigModel::render(float a, float b, float c, float d, float e, float f)
+{
+	setupAnim(a, b, c, d, e, f);
+	m_head.render(f);
+	m_snout.render(f);
+	m_body.render(f);
+	m_armL.render(f);
+	m_armR.render(f);
+	m_legL.render(f);
+	m_legR.render(f);
+	_logGraphics();
+}
+
+void PigModel::setupAnim(float a2, float a3, float a4, float yaw, float pitch, float a7)
+{
+	m_snout.m_rotY = m_head.m_rotY = std::clamp(yaw * 0.017453f, -0.5f, 0.5f);
+	m_snout.m_rotX = m_head.m_rotX = std::clamp(pitch * 0.017453f, -0.5f, 0.5f);
+
+	float v12 = (a2 * 0.6662f) + 3.1416f;
+	m_armL.m_rotX = m_legL.m_rotX = Mth::cos(a2 * 0.6662f) * 0.2f * a3;
+	m_armR.m_rotX = m_legR.m_rotX = Mth::cos(v12) * 0.2f * a3;
+	m_armL.m_rotY = m_legL.m_rotY = 0.0f;
+	m_armR.m_rotY = m_legR.m_rotY = 0.0f;
+
+	if (field_8)
+	{
+		float v16 = (3.1416f * -0.5f) * 0.8f;
+		m_armL.m_rotX = m_legL.m_rotX = v16;
+		m_armR.m_rotX = m_legR.m_rotX = v16;
+		m_armL.m_rotY = m_legL.m_rotY = (3.1416f * 0.5f) * 0.2f;
+		m_armR.m_rotY = m_legR.m_rotY = (3.1416f * -0.5f) * 0.2f;
+	}
+}
+
+void PigModel::setBrightness(float f)
+{
+	m_head.setBrightness(f);
+	m_snout.setBrightness(f);
+	m_body.setBrightness(f);
+	m_armL.setBrightness(f);
+	m_armR.setBrightness(f);
+	m_legL.setBrightness(f);
+	m_legR.setBrightness(f);
+}

source/client/model/PigModel.hpp

@@ -0,0 +1,31 @@
+/********************************************************************
+	Minecraft: Pocket Edition - Decompilation Project
+	Copyright (C) 2023 iProgramInCpp
+
+	The following code is licensed under the BSD 1 clause license.
+	SPDX-License-Identifier: BSD-1-Clause
+ ********************************************************************/
+
+#pragma once
+
+#include "Model.hpp"
+
+class PigModel : public Model
+{
+public:
+	PigModel(float a, float b);
+	void _logGraphics();
+	// @TODO - No xrefs: void render(PigModel* a, float f);
+
+	void onGraphicsReset() override;
+	void render(float, float, float, float, float, float) override;
+	void setupAnim(float, float, float, float, float, float) override;
+	void setBrightness(float) override;
+
+public:
+	Cube m_head, m_body, m_armL, m_armR, m_legL, m_legR, m_snout;
+	bool field_10BC;
+	bool field_10BD;
+	bool field_10BE;
+};
+