29 lines
1.0 KiB
C++
29 lines
1.0 KiB
C++
#include <SDL3/SDL_render.h>
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#include <application/context.h>
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#include <component/position_component.h>
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#include <component/rect_component.h>
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#include <component/renderable_component.h>
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#include <entt/entity/registry.hpp>
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#include <system/rendering_system.h>
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namespace testbed {
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void rendering_system(entt::registry ®istry, const context &ctx) {
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constexpr int logical_width = 1920;
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constexpr int logical_height = 1080;
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SDL_SetRenderLogicalPresentation(ctx, logical_width, logical_height, SDL_LOGICAL_PRESENTATION_LETTERBOX);
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SDL_SetRenderDrawColor(ctx, 0u, 0u, 0u, SDL_ALPHA_OPAQUE);
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SDL_RenderClear(ctx);
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for(auto [entt, pos, rect]: registry.view<renderable_component, position_component, rect_component>().each()) {
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SDL_FRect elem{rect.x + pos.x, rect.y + pos.y, rect.w, rect.h};
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SDL_SetRenderDrawColor(ctx, 255u, 255u, 255u, SDL_ALPHA_OPAQUE);
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SDL_RenderRect(ctx, &elem);
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}
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SDL_SetRenderLogicalPresentation(ctx, 0, 0, SDL_LOGICAL_PRESENTATION_DISABLED);
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}
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} // namespace testbed
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