migrate ALMOST everything from source tree into client

source/client/renderer/entity/TripodCameraRenderer.cpp

@@ -0,0 +1,70 @@
+/********************************************************************
+	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 "TripodCameraRenderer.hpp"
+#include "Minecraft.hpp"
+
+TripodCameraRenderer::TripodCameraRenderer() :
+	m_tile(0, 243, Material::plant),
+	m_cube(0, 0)
+{
+	m_cube.addBox(-4.0f, -4.0f, -6.0f, 8, 8, 10);
+	m_cube.m_posY = 11.0f;
+	field_4 = 0.5f;
+}
+
+float TripodCameraRenderer::getFlashTime(TripodCamera* camera, float f)
+{
+	if (camera->field_B90 > 7 || camera->field_B90 < 0)
+		return -1.0f;
+
+	return 0.125f * (float(camera->field_B90) - f);
+}
+
+void TripodCameraRenderer::render(Entity* entity, float x, float y, float z, float a, float b)
+{
+	glPushMatrix();
+	glTranslatef(x, y, z);
+	m_cube.field_C  = 0.017453f * (180.0f + 0.5f * entity->m_pitch);
+	m_cube.field_10 = -0.017453f * entity->m_yaw;
+
+	Tesselator& t = Tesselator::instance;
+	t.color(1.0f, 1.0f, 1.0f);
+
+	bindTexture("gui/items.png");
+	t.begin();
+	m_renderer.tesselateCrossTexture(&m_tile, 0, -0.5f, -0.5f, -0.5f);
+	t.draw();
+
+	bindTexture("item/camera.png");
+	m_cube.render(0.0625f);
+
+	Entity* pHREntity = m_pDispatcher->m_pMinecraft->m_hitResult.m_pEnt;
+
+	float time = getFlashTime((TripodCamera*)entity, b);
+	if (time >= 0.0f)
+	{
+		glColor4f(1.0f, 1.0f, 1.0f, sinf(float(M_PI) * 2.0f * time));
+		glColor4f(1.0f, 1.0f, 1.0f, 1.0f); // @BUG: overwriting the sinf result with 1.0f
+	}
+
+	if (entity == pHREntity)
+	{
+		glDisable(GL_TEXTURE_2D);
+		glEnable(GL_BLEND);
+		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+		// @TODO FIX: With ENH_ENTITY_SHADING on, the cube is fully opaque.
+		glColor4f(0.5f, 0.5f, 0.5f, 0.5f);
+		m_cube.renderHorrible(0.0625f);
+		glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
+		glDisable(GL_BLEND);
+		glEnable(GL_TEXTURE_2D);
+	}
+
+	glPopMatrix();
+}