rodecomp/Source/Render/SpriteQuad.cpp
ragnarok-clanker c7c093ee21 Decompile 2 functions in Source/Render/ActionSpriteDrawing.cpp, Source/Render/ActionSpriteDrawing.h, ...
Batch #1880 by Yommy: 0 byte-identical, 2 confirmed by peer review.

- fn_17825 DrawActionSprite: logic confirmed by peer review
- fn_10110 BuildSpriteQuad: logic confirmed by peer review

Reviewed-by: ragnarok-clanker
Adds to the build: Source/Render/ActionSpriteDrawing.cpp, Source/Render/SpriteQuad.cpp
2026-10-28 23:12:39 +00:00

88 lines
3.4 KiB
C++

#include "Contents/Configuration/ServiceConfiguration.h"
#include "Render/Renderer.h"
#include "Render/SpriteQuad.h"
#include "Render/TextureQuad.h"
#include "Render/Textures/SpriteAtlas.h"
#include "Render/Textures/Texture.h"
#include "Resource/ResourceMgr.h"
#include "Utility/Math/AffineMatrix.h"
// OFFSET: 0x00811FC0
// FUNCTION: fn_10110
RenderPrimitive* BuildSpriteQuad(CRenderSystemBase& system, const SpriteQuad& quad, const std::uint32_t* palette, int blend, float offsetX, float offsetY) {
SpriteAtlasRecord record{};
const SpriteRleImage* image = quad.image;
CTexture* texture = static_cast<CTexture*>(const_cast<void*>(image->unknown_0008));
if (!texture) {
texture = g_renderer->atlas.Find(image, palette, record);
if (!texture) {
texture = g_renderer->atlas.Insert(system, image, palette, record, g_serviceType, g_resourceReuseDelay);
}
} else {
record.u0 = 0.0f;
record.v0 = 0.0f;
record.u1 = static_cast<float>(texture->ImageWidth()) / static_cast<float>(texture->TextureWidth());
record.v1 = static_cast<float>(texture->ImageHeight()) / static_cast<float>(texture->TextureHeight());
}
const float bottomZ = RhwToDepth(quad.bottomRhw);
const float topZ = RhwToDepth(quad.topRhw);
RenderPrimitive* primitive = g_renderer->primitives.Acquire();
RenderVertex* vertices = primitive->vertices;
primitive->texture = texture;
if (quad.angle > 0.0f) {
const float cosine = ClientCosine(static_cast<int>(quad.angle));
const float sine = ClientSine(static_cast<int>(quad.angle));
const float halfWidth = (quad.right - quad.left) * 0.5f;
const float halfHeight = (quad.bottom - quad.top) * 0.5f;
const float centerX = quad.left + halfWidth + offsetX;
const float centerY = quad.top + halfHeight + offsetY;
const float minX = -halfWidth;
const float minY = -halfHeight;
vertices[0].x = minX * cosine - minY * sine + centerX + 0.5f;
vertices[0].y = minY * cosine + minX * sine + centerY + 0.5f;
vertices[1].x = halfWidth * cosine - minY * sine + centerX + 0.5f;
vertices[1].y = minY * cosine + halfWidth * sine + centerY + 0.5f;
vertices[2].x = minX * cosine - halfHeight * sine + centerX + 0.5f;
vertices[2].y = halfHeight * cosine + minX * sine + centerY + 0.5f;
vertices[3].x = halfWidth * cosine - halfHeight * sine + centerX + 0.5f;
vertices[3].y = halfHeight * cosine + halfWidth * sine + centerY + 0.5f;
} else {
vertices[0].x = quad.left + 0.5f;
vertices[0].y = quad.top + 0.5f;
vertices[1].x = quad.right + 0.5f;
vertices[1].y = quad.top + 0.5f;
vertices[2].x = quad.left + 0.5f;
vertices[2].y = quad.bottom + 0.5f;
vertices[3].x = quad.right + 0.5f;
vertices[3].y = quad.bottom + 0.5f;
}
vertices[0].z = topZ;
vertices[0].rhw = quad.topRhw;
vertices[0].u = record.u0;
vertices[0].v = record.v0;
vertices[0].diffuse = quad.color;
vertices[1].z = topZ;
vertices[1].rhw = quad.topRhw;
vertices[1].u = record.u1;
vertices[1].v = record.v0;
vertices[1].diffuse = quad.color;
vertices[2].z = bottomZ;
vertices[2].rhw = quad.bottomRhw;
vertices[2].u = record.u0;
vertices[2].v = record.v1;
vertices[2].diffuse = quad.color;
vertices[3].z = bottomZ;
vertices[3].rhw = quad.bottomRhw;
vertices[3].u = record.u1;
vertices[3].v = record.v1;
vertices[3].diffuse = quad.color;
primitive->unknown_0018 = 5;
primitive->unknown_001C = blend != 5 ? 6 : 2;
return primitive;
}