74 lines
2.7 KiB
C++
74 lines
2.7 KiB
C++
#include "render.hpp"
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#include "definitions.hpp"
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#include "physics.hpp"
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#include "sprite.hpp"
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#include <format>
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RenderModule::RenderModule(flecs::world& world)
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{
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world.system<SdlHandles>("RenderClear")
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.term_at(0)
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.singleton()
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.kind(flecs::PreStore)
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.each([](SdlHandles& sdl_handles) { SDL_RenderClear(sdl_handles.renderer); });
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flecs::entity render_present_phase =
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world.entity().add(flecs::Phase).depends_on(flecs::OnStore);
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world.system<SdlHandles>("RenderPresent")
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.term_at(0)
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.singleton()
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.kind(render_present_phase)
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.each([](SdlHandles& sdl_handles) { SDL_RenderPresent(sdl_handles.renderer); });
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world.system<SdlHandles const, Position const, Size const, Sprite const>("RenderSprites")
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.kind(flecs::OnStore)
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.term_at(0)
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.singleton()
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.each(
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[](SdlHandles const& sdl_handles,
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Position const& pos,
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Size const& size,
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Sprite const& sprite)
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{
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TextureAtlasLayout layout = sprite.texture->texture_atlas_layout;
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uint8_t row = sprite.texture_atlas_index / layout.columns;
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uint8_t column = sprite.texture_atlas_index % layout.columns;
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SDL_FRect srcrect{static_cast<float>(column * layout.width),
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static_cast<float>(row * layout.height),
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static_cast<float>(layout.width),
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static_cast<float>(layout.height)};
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SDL_FRect dstrect{static_cast<float>(pos.x),
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static_cast<float>(pos.y),
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static_cast<float>(size.w),
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static_cast<float>(size.h)};
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SDL_RenderTexture(
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sdl_handles.renderer, sprite.texture->sdl_texture, &srcrect, &dstrect);
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});
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world.system<SdlHandles const, Game const, FontAssets const>("RenderScore")
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.kind(flecs::OnStore)
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.term_at(0)
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.singleton()
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.term_at(1)
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.singleton()
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.term_at(2)
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.singleton()
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.each(
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[](SdlHandles const& sdl_handles, Game const& game, FontAssets const& font_assets)
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{
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auto score_string = std::format("Score: {}\nTime: {}", game.score, game.time);
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auto text = TTF_CreateText(sdl_handles.text_engine,
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font_assets.default_font.font,
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score_string.c_str(),
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score_string.length());
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TTF_DrawRendererText(text, 0.0, 0.0);
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TTF_DestroyText(text);
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});
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}
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