h4570
264 lines
9.4 KiB
C++
264 lines
9.4 KiB
C++
/*
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# ______ ____ ___
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# | \/ ____| |___|
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# | | | \ | |
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#-----------------------------------------------------------------------
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# Copyright 2020, tyra - https://github.com/h4570/tyra
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# Licenced under Apache License 2.0
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# Sandro Sobczyński <sandro.sobczynski@gmail.com>
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*/
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#include "../include/modules/gif_sender.hpp"
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#include "../include/utils/math.hpp"
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#include "../include/utils/debug.hpp"
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#include "../include/modules/light.hpp"
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#include <packet2_chain.h>
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#include <kernel.h>
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#include <dma.h>
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#include <draw.h>
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#include <stdio.h>
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#include <malloc.h>
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#include <dma_tags.h>
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#include <gs_psm.h>
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// ----
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// Constructors/Destructors
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// ----
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/** Initializes vars and creates data transfer packets
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* @param packetSize Size of data packet, should be increased when more data will be rendered
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*/
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GifSender::GifSender(u32 t_packetSize, ScreenSettings *t_screen) : screen(t_screen)
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{
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PRINT_LOG("Initializing GifSender");
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packetSize = t_packetSize;
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packets[0] = packet2_create(t_packetSize, P2_TYPE_NORMAL, P2_MODE_CHAIN, false);
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packets[1] = packet2_create(t_packetSize, P2_TYPE_NORMAL, P2_MODE_CHAIN, false);
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PRINT_LOG("GifSender initialized!");
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}
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/** Releases packets memory */
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GifSender::~GifSender()
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{
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packet2_free(packets[0]);
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packet2_free(packets[1]);
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}
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// ----
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// Methods
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// ----
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#include <gif_tags.h>
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#include <gs_gp.h>
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/** Send texture via GIF */
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void GifSender::sendTexture(Texture &texture, texbuffer_t *t_texBuffer)
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{
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packet2_t *packet2 = packet2_create(15, P2_TYPE_NORMAL, P2_MODE_CHAIN, false);
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packet2_update(
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packet2,
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draw_texture_transfer(
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packet2->base,
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texture.getData(),
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texture.getWidth(),
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texture.getHeight(),
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texture.getType(),
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t_texBuffer->address,
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t_texBuffer->width));
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packet2_chain_open_cnt(packet2, 0, 0, 0);
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packet2_update(packet2, draw_texture_wrapping(packet2->next, 0, texture.getWrapSettings()));
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packet2_chain_close_tag(packet2);
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packet2_update(packet2, draw_texture_flush(packet2->next));
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dma_channel_wait(DMA_CHANNEL_GIF, 0);
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dma_channel_send_packet2(packet2, DMA_CHANNEL_GIF, true);
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dma_channel_wait(DMA_CHANNEL_GIF, 0);
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packet2_free(packet2);
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}
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void GifSender::sendClear(zbuffer_t *t_zBuffer)
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{
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packet2_t *packet2 = packet2_create(36, P2_TYPE_NORMAL, P2_MODE_CHAIN, false);
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packet2_chain_open_end(packet2, 0, 0);
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packet2_update(packet2, draw_disable_tests(packet2->next, 0, t_zBuffer));
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packet2_update(packet2, draw_clear(packet2->next, 0,
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2048.0F - (screen->width / 2), 2048.0F - (screen->height / 2),
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screen->width, screen->height,
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0x10, 0x10, 0x10));
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packet2_update(packet2, draw_enable_tests(packet2->next, 0, t_zBuffer));
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packet2_update(packet2, draw_finish(packet2->next));
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packet2_chain_close_tag(packet2);
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dma_channel_wait(DMA_CHANNEL_GIF, 0);
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dma_channel_send_packet2(packet2, DMA_CHANNEL_GIF, true);
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dma_channel_wait(DMA_CHANNEL_GIF, 0);
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packet2_free(packet2);
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}
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/** Used in game loop.
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* Switches current packet to next one
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*/
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void GifSender::initPacket(u8 t_context)
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{
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currentPacket = packets[t_context];
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packet2_reset(currentPacket, false);
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isAnyObjectAdded = false;
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}
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/** Sends packet to GIF. */
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void GifSender::sendPacket()
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{
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if (isAnyObjectAdded)
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{
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packet2_chain_open_end(currentPacket, 0, 0);
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packet2_update(currentPacket, draw_finish(currentPacket->next));
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packet2_chain_close_tag(currentPacket);
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}
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dma_channel_wait(DMA_CHANNEL_GIF, 0);
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dma_channel_send_packet2(currentPacket, DMA_CHANNEL_GIF, true);
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}
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/** Adds clear screen to current packet */
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void GifSender::addClear(zbuffer_t *t_zBuffer)
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{
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packet2_chain_open_cnt(currentPacket, 0, 0, 0);
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packet2_update(currentPacket, draw_disable_tests(currentPacket->next, 0, t_zBuffer));
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packet2_update(currentPacket, draw_clear(currentPacket->next, 0,
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2048.0F - (screen->width / 2), 2048.0F - (screen->height / 2),
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screen->width, screen->height,
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0x10, 0x10, 0x10));
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packet2_update(currentPacket, draw_enable_tests(currentPacket->next, 0, t_zBuffer));
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packet2_chain_close_tag(currentPacket);
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}
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/** Adds 3D objects to current packet
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* @param worldView Matrix
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* @param perspective Matrix with .setPerpsective() used [clone of gluPerspective]
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* @param objects3D Array of 3D objects pointers
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* @param amount Amount of 3D objects
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*/
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void GifSender::addObject(RenderData *t_renderData, Mesh &t_mesh, u32 vertexCount, VECTOR *vertices, VECTOR *normals, VECTOR *coordinates, LightBulb *t_bulbs, u16 t_bulbsCount, texbuffer_t *textureBuffer)
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{
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packet2_chain_open_cnt(currentPacket, 0, 0, 0);
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packet2_update(currentPacket, draw_texture_sampling(currentPacket->next, 0, &t_mesh.lod));
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packet2_update(currentPacket, draw_texturebuffer(currentPacket->next, 0, textureBuffer, &t_mesh.clut));
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packet2_update(currentPacket, draw_prim_start(currentPacket->next, 0, t_renderData->prim, &t_mesh.color));
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xyz = new xyz_t[vertexCount];
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rgbaq = new color_t[vertexCount];
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st = new texel_t[vertexCount];
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calc3DObject(*t_renderData->perspective, t_mesh, vertexCount, vertices, normals, coordinates, t_renderData, t_bulbs, t_bulbsCount);
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addCurrentCalcs(vertexCount);
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delete[] xyz;
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delete[] rgbaq;
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delete[] st;
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packet2_update(currentPacket, draw_prim_end(currentPacket->next, 3, DRAW_STQ_REGLIST));
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packet2_chain_close_tag(currentPacket);
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}
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/** Calculates 3D object data into xyz, rgbq, st
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* After it addCurrentSTQ() can be done
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* @param worldView Matrix
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* @param perspective Matrix with .setPerpsective() used [clone of gluPerspective]
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* @param mesh 3D object
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*/
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void GifSender::calc3DObject(Matrix t_perspective, Mesh &t_mesh, u32 vertexCount, VECTOR *vertices, VECTOR *normals, VECTOR *coordinates, RenderData *t_renderData, LightBulb *t_bulbs, u16 t_bulbsCount)
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{
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VECTOR *colors = new VECTOR[vertexCount];
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VECTOR position, rotation;
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vec3ToNative(position, t_mesh.position, 1.0F);
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vec3ToNative(rotation, t_mesh.rotation, 1.0F);
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create_local_world(localWorld, position, rotation);
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const u8 SHOULD_BE_LIGHTED = t_bulbs != NULL && t_mesh.shouldBeLighted;
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if (SHOULD_BE_LIGHTED)
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create_local_light(localLight, rotation);
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// I cant put perspective from renderData here. ee-gcc bug?
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create_local_screen(localScreen, localWorld, t_renderData->worldView->data, t_perspective.data);
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if (SHOULD_BE_LIGHTED)
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{
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const u16 lightsCount = Light::getLightsCount(t_bulbsCount);
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VECTOR *lightDirections = new VECTOR[lightsCount];
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VECTOR *lightColors = new VECTOR[lightsCount];
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int *lightTypes = new int[lightsCount];
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VECTOR *lights = new VECTOR[vertexCount];
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calculate_normals(normals, vertexCount, normals, localLight);
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Light::calculateLight(lightDirections, lightColors, lightTypes, t_bulbs, lightsCount, t_mesh.position);
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calculate_lights(lights, vertexCount, normals, lightDirections, lightColors, lightTypes, lightsCount);
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for (u32 i = 0; i < vertexCount; i++)
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{
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// Apply the light value to the colour.
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colors[i][0] = (t_mesh.color.r * lights[i][0]);
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colors[i][1] = (t_mesh.color.g * lights[i][1]);
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colors[i][2] = (t_mesh.color.b * lights[i][2]);
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vector_clamp(colors[i], colors[i], 0.00F, 1.99F);
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}
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delete[] lightDirections;
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delete[] lightColors;
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delete[] lightTypes;
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delete[] lights;
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}
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else
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for (u32 i = 0; i < vertexCount; i++)
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{
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colors[i][0] = t_mesh.color.r / 128.0F;
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colors[i][1] = t_mesh.color.g / 128.0F;
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colors[i][2] = t_mesh.color.b / 128.0F;
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}
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calculate_vertices(vertices, vertexCount, vertices, localScreen);
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convertCalcs(vertexCount, vertices, colors, coordinates, t_mesh.color);
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delete[] colors;
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}
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void GifSender::convertCalcs(u32 t_vertexCount, VECTOR *t_vertices, VECTOR *t_colors, VECTOR *t_sts, color_t &t_color)
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{
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// TODO get this via screensettings
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const s32 centerX = ftoi4(2048);
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const s32 centerY = ftoi4(2048);
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const u32 maxZ = ftoi4(((float)0xFFFFFF) / 32.0F);
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float q = 1.00F;
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for (u32 i = 0; i < t_vertexCount; i++)
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{
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xyz[i].x = (u16)((t_vertices[i][0] + 1.0F) * centerX);
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xyz[i].y = (u16)((t_vertices[i][1] + 1.0F) * centerY);
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xyz[i].z = (u32)((t_vertices[i][2] + 1.0F) * maxZ);
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if (t_vertices[i][3])
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q = 1 / t_vertices[i][3];
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st[i].s = t_sts[i][0] * q;
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st[i].t = t_sts[i][1] * q;
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rgbaq[i].r = (u8)(t_colors[i][0] * 128.0F);
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rgbaq[i].g = (u8)(t_colors[i][1] * 128.0F);
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rgbaq[i].b = (u8)(t_colors[i][2] * 128.0F);
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rgbaq[i].a = t_color.a;
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rgbaq[i].q = q;
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}
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}
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/** Update q's double words. It may look strange, but this workaround
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* use's a 64-bit pointer to simplify adding data to the packet.
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*/
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void GifSender::addCurrentCalcs(u32 &t_vertexCount)
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{
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for (u32 i = 0; i < t_vertexCount; i++)
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{
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packet2_add_u64(currentPacket, rgbaq[i].rgbaq);
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packet2_add_u64(currentPacket, st[i].uv);
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packet2_add_u64(currentPacket, xyz[i].xyz);
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}
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packet2_pad128(currentPacket, 0);
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}
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