derek/HansTheGatherer
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Try to port renderer

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This commit is contained in:
Derek Christ
2025-06-09 10:16:22 +02:00
parent f6adc18215
commit 3298623305
3 changed files with 22 additions and 35 deletions
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3
src/assets.hpp
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@@ -14,7 +14,8 @@ struct TextureAtlasLayout
struct Texture
{
// SDL_Texture* sdl_texture;
uint8_t* data;
uint32_t data_length;
TextureAtlasLayout texture_atlas_layout;
};

6
src/main.cpp
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@@ -5,6 +5,7 @@
#include "physics.hpp"
#include "render.hpp"
#include <Hall/Hall.h>
#include <entt/entt.hpp>
void increment_ticks(entt::registry& registry)
@@ -85,10 +86,11 @@ int main()
PhysicsModule::RemoveCollisionMarker(registry);
PhysicsModule::CollisionCheck(registry);
// SDL_RenderClear(sdl_handles.renderer);
Hall::Clear(0);
RenderModule::RenderSprites(registry);
RenderModule::RenderScore(registry);
// SDL_RenderPresent(sdl_handles.renderer);
Hall::SetCommandSwapBuffers();
Hall::GetVSync();
}
return 0;

48
src/render.cpp
View File

@@ -5,6 +5,8 @@
#include "physics.hpp"
#include "sprite.hpp"
#include <Hall/Hall.h>
#include <format>
RenderModule::RenderModule(entt::registry& registry)
@@ -13,47 +15,29 @@ RenderModule::RenderModule(entt::registry& registry)
void RenderModule::RenderSprites(entt::registry& registry)
{
// auto const& sdl_handles = registry.ctx().get<SdlHandles>();
auto const& game = registry.ctx().get<Game>();
auto sprites_view =
registry.view<Position const, Size const, Sprite const>(entt::exclude<Background>);
auto background_view = registry.view<Position const, Size const, Sprite const, Background>();
for (auto [entity, pos, size, sprite] : background_view.each())
{
auto render_sprite = [](entt::entity entity, Position const& pos, Size const& size, Sprite const&sprite){
TextureAtlasLayout layout = sprite.texture->texture_atlas_layout;
uint8_t row = sprite.texture_atlas_index / layout.columns;
uint8_t column = sprite.texture_atlas_index % layout.columns;
// SDL_FRect srcrect{static_cast<float>(column * layout.width),
// static_cast<float>(row * layout.height),
// static_cast<float>(layout.width),
// static_cast<float>(layout.height)};
// Problemchen: Wir können die Sprites nicht strecken... hat keiner Interpolation
// implementiert?
Hall::Draw(reinterpret_cast<unsigned short*>(sprite.texture->data), // Das ist 100% UB
column * layout.width,
row * layout.height,
pos.x,
pos.y,
layout.width,
layout.height,
sprite.texture->data_length);
};
// SDL_FRect dstrect{static_cast<float>(pos.x),
// static_cast<float>(pos.y),
// static_cast<float>(size.w),
// static_cast<float>(size.h)};
// SDL_RenderTexture(sdl_handles.renderer, sprite.texture->sdl_texture, &srcrect, &dstrect);
}
for (auto [entity, pos, size, sprite] : sprites_view.each())
{
TextureAtlasLayout layout = sprite.texture->texture_atlas_layout;
uint8_t row = sprite.texture_atlas_index / layout.columns;
uint8_t column = sprite.texture_atlas_index % layout.columns;
// SDL_FRect srcrect{static_cast<float>(column * layout.width),
// static_cast<float>(row * layout.height),
// static_cast<float>(layout.width),
// static_cast<float>(layout.height)};
// SDL_FRect dstrect{static_cast<float>(pos.x),
// static_cast<float>(pos.y),
// static_cast<float>(size.w),
// static_cast<float>(size.h)};
// SDL_RenderTexture(sdl_handles.renderer, sprite.texture->sdl_texture, &srcrect, &dstrect);
}
background_view.each(render_sprite);
sprites_view.each(render_sprite);
}
void RenderModule::RenderScore(entt::registry& registry)