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https://github.com/celisej567/mcpe.git
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migrate ALMOST everything from source tree into client
This commit is contained in:
riall
GitHub
336
source/client/renderer/ItemInHandRenderer.cpp
Normal file
336
source/client/renderer/ItemInHandRenderer.cpp
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/********************************************************************
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Minecraft: Pocket Edition - Decompilation Project
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Copyright (C) 2023 iProgramInCpp
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The following code is licensed under the BSD 1 clause license.
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SPDX-License-Identifier: BSD-1-Clause
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********************************************************************/
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#include "ItemInHandRenderer.hpp"
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#include "Minecraft.hpp"
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ItemInHandRenderer::ItemInHandRenderer(Minecraft* pMC) : m_ItemInstance(0, 1, 0)
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{
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m_pMinecraft = pMC;
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}
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void ItemInHandRenderer::itemPlaced()
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{
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field_1C = 0;
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}
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void ItemInHandRenderer::itemUsed()
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{
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field_1C = 0;
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}
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#ifdef ENH_SHADE_HELD_TILES
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#define SHADE_IF_NEEDED(col) t.color(col*bright,col*bright,col*bright,1.0f)
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#else
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#define SHADE_IF_NEEDED(col)
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#endif
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void ItemInHandRenderer::renderItem(ItemInstance* inst)
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{
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#ifndef ORIGINAL_CODE
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if (inst->m_itemID < 0)
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return;
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#endif
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glPushMatrix();
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#ifdef ENH_SHADE_HELD_TILES
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float bright = m_pMinecraft->m_pLocalPlayer->getBrightness(0.0f);
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#endif
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if (inst->m_itemID <= C_MAX_TILES && TileRenderer::canRender(Tile::tiles[inst->m_itemID]->getRenderShape()))
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{
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float red, grn, blu, alp = 1.0f;
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if (inst->m_itemID == Tile::leaves->m_ID)
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{
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red = 0.35f;
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grn = 0.65f;
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blu = 0.25f;
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}
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else
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{
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blu = grn = red = 1.0f;
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}
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glColor4f(red, grn, blu, alp);
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m_pMinecraft->m_pTextures->loadAndBindTexture(C_TERRAIN_NAME);
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#ifdef ENH_SHADE_HELD_TILES
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# define ARGPATCH , bright
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#else
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# define ARGPATCH
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#endif
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m_tileRenderer.renderTile(Tile::tiles[inst->m_itemID], inst->getAuxValue() ARGPATCH);
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#ifdef ARGPATCH
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# undef ARGPATCH
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#endif
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glPopMatrix();
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return;
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}
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std::string toBind;
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if (inst->m_itemID <= C_MAX_TILES)
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toBind = C_TERRAIN_NAME;
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else
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toBind = "gui/items.png";
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m_pMinecraft->m_pTextures->loadAndBindTexture(toBind);
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constexpr float C_RATIO = 1.0f / 256.0f;
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constexpr float C_RATIO_2 = 1.0f / 512.0f;
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constexpr float C_ONE_PIXEL = 1.0f / 16.0f;
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int textureX = inst->getIcon() % 16 * 16;
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int textureY = inst->getIcon() / 16 * 16;
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float texU_1 = C_RATIO * float(textureX + 0.0f);
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float texU_2 = C_RATIO * float(textureX + 15.99f);
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float texV_1 = C_RATIO * float(textureY + 0.0f);
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float texV_2 = C_RATIO * float(textureY + 15.99f);
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Tesselator& t = Tesselator::instance;
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glTranslatef(-0.0f, -0.3f, 0.0f);
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glScalef(1.5f, 1.5f, 1.5f);
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glRotatef(50.0f, 0.0f, 1.0f, 0.0f);
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glRotatef(335.0f, 0.0f, 0.0f, 1.0f);
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glTranslatef(-0.9375f, -0.0625f, 0.0f);
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t.begin();
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SHADE_IF_NEEDED(1.0f);
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t.vertexUV(0.0f, 0.0f, 0.0f, texU_2, texV_2);
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t.vertexUV(1.0f, 0.0f, 0.0f, texU_1, texV_2);
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t.vertexUV(1.0f, 1.0f, 0.0f, texU_1, texV_1);
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t.vertexUV(0.0f, 1.0f, 0.0f, texU_2, texV_1);
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t.vertexUV(0.0f, 1.0f, -C_ONE_PIXEL, texU_2, texV_1);
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t.vertexUV(1.0f, 1.0f, -C_ONE_PIXEL, texU_1, texV_1);
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t.vertexUV(1.0f, 0.0f, -C_ONE_PIXEL, texU_1, texV_2);
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t.vertexUV(0.0f, 0.0f, -C_ONE_PIXEL, texU_2, texV_2);
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SHADE_IF_NEEDED(0.8f);
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for (int i = 0; i < 16; i++)
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{
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t.vertexUV(i * C_ONE_PIXEL, 0.0f, -C_ONE_PIXEL, Lerp(texU_2, texU_1, i * C_ONE_PIXEL) - C_RATIO_2, texV_2);
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t.vertexUV(i * C_ONE_PIXEL, 0.0f, 0.0f, Lerp(texU_2, texU_1, i * C_ONE_PIXEL) - C_RATIO_2, texV_2);
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t.vertexUV(i * C_ONE_PIXEL, 1.0f, 0.0f, Lerp(texU_2, texU_1, i * C_ONE_PIXEL) - C_RATIO_2, texV_1);
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t.vertexUV(i * C_ONE_PIXEL, 1.0f, -C_ONE_PIXEL, Lerp(texU_2, texU_1, i * C_ONE_PIXEL) - C_RATIO_2, texV_1);
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}
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for (int i = 0; i < 16; i++)
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{
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t.vertexUV((i + 1) * C_ONE_PIXEL, 1.0f, -C_ONE_PIXEL, Lerp(texU_2, texU_1, i * C_ONE_PIXEL) - C_RATIO_2, texV_1);
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t.vertexUV((i + 1) * C_ONE_PIXEL, 1.0f, 0.0f, Lerp(texU_2, texU_1, i * C_ONE_PIXEL) - C_RATIO_2, texV_1);
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t.vertexUV((i + 1) * C_ONE_PIXEL, 0.0f, 0.0f, Lerp(texU_2, texU_1, i * C_ONE_PIXEL) - C_RATIO_2, texV_2);
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t.vertexUV((i + 1) * C_ONE_PIXEL, 0.0f, -C_ONE_PIXEL, Lerp(texU_2, texU_1, i * C_ONE_PIXEL) - C_RATIO_2, texV_2);
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}
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SHADE_IF_NEEDED(0.6f);
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for (int i = 0; i < 16; i++)
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{
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t.vertexUV(0.0f, (i + 1) * C_ONE_PIXEL, 0.0f, texU_2, Lerp(texV_2, texV_1, i * C_ONE_PIXEL));
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t.vertexUV(1.0f, (i + 1) * C_ONE_PIXEL, 0.0f, texU_1, Lerp(texV_2, texV_1, i * C_ONE_PIXEL));
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t.vertexUV(1.0f, (i + 1) * C_ONE_PIXEL, -C_ONE_PIXEL, texU_1, Lerp(texV_2, texV_1, i * C_ONE_PIXEL));
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t.vertexUV(0.0f, (i + 1) * C_ONE_PIXEL, -C_ONE_PIXEL, texU_2, Lerp(texV_2, texV_1, i * C_ONE_PIXEL));
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}
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for (int i = 0; i < 16; i++)
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{
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t.vertexUV(1.0f, i * C_ONE_PIXEL, 0.0f, texU_1, Lerp(texV_2, texV_1, i * C_ONE_PIXEL));
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t.vertexUV(0.0f, i * C_ONE_PIXEL, 0.0f, texU_2, Lerp(texV_2, texV_1, i * C_ONE_PIXEL));
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t.vertexUV(0.0f, i * C_ONE_PIXEL, -C_ONE_PIXEL, texU_2, Lerp(texV_2, texV_1, i * C_ONE_PIXEL));
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t.vertexUV(1.0f, i * C_ONE_PIXEL, -C_ONE_PIXEL, texU_1, Lerp(texV_2, texV_1, i * C_ONE_PIXEL));
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}
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t.draw();
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glPopMatrix();
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}
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void ItemInHandRenderer::render(float f)
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{
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LocalPlayer* pLP = m_pMinecraft->m_pLocalPlayer;
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float f1 = field_20 + (field_1C - field_20) * f;
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glPushMatrix();
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glRotatef(pLP->field_60 + (pLP->m_pitch - pLP->field_60) * f, 1.0f, 0.0f, 0.0f);
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glRotatef(pLP->field_5C + (pLP->m_yaw - pLP->field_5C) * f, 0.0f, 1.0f, 0.0f);
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glPopMatrix();//huh?
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float fBright = m_pMinecraft->m_pLevel->getBrightness(Mth::floor(pLP->m_pos.x), Mth::floor(pLP->m_pos.y), Mth::floor(pLP->m_pos.z));
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glColor4f(fBright, fBright, fBright, 1.0f);
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if (m_ItemInstance.m_itemID <= 0)
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{
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glPushMatrix();
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float fAnim = pLP->getAttackAnim(f);
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glTranslatef(-0.3f * Mth::sin(float(M_PI) * Mth::sqrt(fAnim)), 0.4f * Mth::sin(2.0f * float(M_PI) * Mth::sqrt(fAnim)), -0.4f * Mth::sin(float(M_PI) * fAnim));
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glTranslatef(0.64f, ((1.0f - f1) * -0.6f) - 0.6f, -0.72f);
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glRotatef(45.0f, 0.0f, 1.0f, 0.0f);
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glEnable(GL_RESCALE_NORMAL);
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// @HUH: refetch
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fAnim = pLP->getAttackAnim(f);
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glRotatef(Mth::sin(float(M_PI) * Mth::sqrt(fAnim)) * 70.0f, 0.0f, 1.0f, 0.0f);
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glRotatef(Mth::sin(float(M_PI) * fAnim * fAnim) * -20.0f, 0.0f, 0.0f, 1.0f);
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m_pMinecraft->m_pTextures->loadAndBindTexture("mob/char.png");
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glTranslatef(-1.0f, 3.6f, 3.5f);
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glRotatef(120.0f, 0.0f, 0.0f, 1.0f);
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glRotatef(200.0f, 1.0f, 0.0f, 0.0f);
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glRotatef(-135.0f, 0.0f, 1.0f, 0.0f);
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glScalef(1.0f, 1.0f, 1.0f);
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glTranslatef(5.6f, 0.0f, 0.0f);
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HumanoidMobRenderer* pRenderer = (HumanoidMobRenderer*)EntityRenderDispatcher::getInstance()->getRenderer(m_pMinecraft->m_pLocalPlayer);
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glScalef(1.0f, 1.0f, 1.0f);
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pRenderer->renderHand();
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glPopMatrix();
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}
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else
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{
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glPushMatrix();
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float fAnim = pLP->getAttackAnim(f);
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glTranslatef(-0.4f * Mth::sin(float(M_PI) * Mth::sqrt(fAnim)), 0.2f * Mth::sin(2.0f * float(M_PI) * Mth::sqrt(fAnim)), -0.2f * Mth::sin(float(M_PI) * fAnim));
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glTranslatef(0.56f, ((1.0f - f1) * -0.6f) - 0.52f, -0.72f);
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glRotatef(45.0f, 0.0f, 1.0f, 0.0f);
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glEnable(GL_RESCALE_NORMAL);
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// @HUH: refetch
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fAnim = pLP->getAttackAnim(f);
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float sin1 = Mth::sin(float(M_PI) * Mth::sqrt(fAnim));
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float sin2 = Mth::sin(float(M_PI) * fAnim * fAnim);
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glRotatef(sin2 * -20.0f, 0.0f, 1.0f, 0.0f);
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glRotatef(sin1 * -20.0f, 0.0f, 0.0f, 1.0f);
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glRotatef(sin1 * -80.0f, 1.0f, 0.0f, 0.0f);
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glScalef(0.4f, 0.4f, 0.4f);
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if (m_ItemInstance.getItem()->isMirroredArt())
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glRotatef(180.0f, 0.0f, 1.0f, 0.0f);
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renderItem(&m_ItemInstance);
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glPopMatrix();
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}
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glDisable(GL_RESCALE_NORMAL);
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}
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void ItemInHandRenderer::renderFire(float f)
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{
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glColor4f(1.0f, 1.0f, 1.0f, 0.9f);
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glEnable(GL_BLEND);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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for (int i = 1, offset = 0; i != -3; i -= 2, offset += 16)
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{
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glPushMatrix();
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int texture = offset + Tile::fire->m_TextureFrame;
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float texX = 16.0f * float(texture % 16), texY = 16.0f * float(texture / 16);
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float texU_1 = texX / 256.0f;
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float texU_2 = (texX + 15.99f) / 256.0f;
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float texV_1 = texY / 256.0f;
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float texV_2 = (texY + 15.99f) / 256.0f;
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glTranslatef(float(i) * 0.24f, -0.3f, 0.0f);
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glRotatef(float(i) * 10.0f, 0.0f, 1.0f, 0.0f);
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Tesselator& t = Tesselator::instance;
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t.begin();
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t.vertexUV(-0.5f, -0.5f, -0.5f, texU_2, texV_2);
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t.vertexUV(+0.5f, -0.5f, -0.5f, texU_1, texV_2);
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t.vertexUV(+0.5f, +0.5f, -0.5f, texU_1, texV_1);
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t.vertexUV(-0.5f, +0.5f, -0.5f, texU_2, texV_1);
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t.draw();
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glPopMatrix();
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}
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glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
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glDisable(GL_BLEND);
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}
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void ItemInHandRenderer::renderTex(float f, int texture)
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{
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float unused = m_pMinecraft->m_pLocalPlayer->getBrightness(f);
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glColor4f(0.1f, 0.1f, 0.1f, 0.5f);
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glPushMatrix();
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// @BUG: The texture x/y isn't multiplied by 16. This causes some weird textures to show up instead of the correct ones.
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#ifdef ORIGINAL_CODE
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# define MULT
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#else
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# define MULT 16 *
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#endif
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float texX = MULT float(texture % 16), texY = MULT float(texture / 16);
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float texU_1 = texX / 256.0f - 1 / 128.0f;
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float texU_2 = (texX + 15.99f) / 256.0f + 1 / 128.0f;
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float texV_1 = texY / 256.0f - 1 / 128.0f;
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float texV_2 = (texY + 15.99f) / 256.0f + 1 / 128.0f;
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Tesselator& t = Tesselator::instance;
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t.begin();
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t.vertexUV(-1.0f, -1.0f, -0.5f, texU_2, texV_2);
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t.vertexUV(+1.0f, -1.0f, -0.5f, texU_1, texV_2);
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t.vertexUV(+1.0f, +1.0f, -0.5f, texU_1, texV_1);
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t.vertexUV(-1.0f, +1.0f, -0.5f, texU_2, texV_1);
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t.draw();
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glPopMatrix();
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glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
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}
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void ItemInHandRenderer::tick()
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{
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field_20 = field_1C;
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int itemID = m_pMinecraft->m_pLocalPlayer->m_pInventory->getSelectedItemId();
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float a = 1.0f - field_1C;
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if (a < -0.4f)
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a = -0.4f;
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if (a >= 0.4f)
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a = 0.4f;
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m_ItemInstance.m_itemID = itemID;
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field_1C += a;
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}
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void ItemInHandRenderer::renderScreenEffect(float f)
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{
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glDisable(GL_ALPHA_TEST);
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if (m_pMinecraft->m_pLocalPlayer->isOnFire())
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{
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m_pMinecraft->m_pTextures->loadAndBindTexture(C_TERRAIN_NAME);
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renderFire(f);
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}
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if (m_pMinecraft->m_pLocalPlayer->isInWall())
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{
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int fx = Mth::floor(m_pMinecraft->m_pLocalPlayer->m_pos.x);
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int fy = Mth::floor(m_pMinecraft->m_pLocalPlayer->m_pos.y);
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int fz = Mth::floor(m_pMinecraft->m_pLocalPlayer->m_pos.z);
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m_pMinecraft->m_pTextures->loadAndBindTexture(C_TERRAIN_NAME);
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Tile* pTile = Tile::tiles[m_pMinecraft->m_pLevel->getTile(fx, fy, fz)];
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if (pTile)
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{
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int texture = pTile->getTexture(DIR_ZNEG);
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renderTex(f, texture);
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}
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}
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glEnable(GL_ALPHA_TEST);
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}
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