856429f9dc
Batch #1615 by eAthena: 0 byte-identical, 1 confirmed by peer review. - fn_10102 SpriteDrawingPolicy::ProjectCell: logic confirmed by peer review Reviewed-by: ragnarok-clanker Adds to the build: Source/Render/SpriteGeometry.cpp
67 lines
2.6 KiB
C++
67 lines
2.6 KiB
C++
#include "Contents/Actors/SpriteDrawingPolicy.h"
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#include "Render/Renderer.h"
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#include "Render/SpriteGeometry.h"
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#include "Render/Textures/SpritePixels.h"
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#include <windows.h>
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// GLOBAL: gl_24537
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float g_tangent = 0.16f;
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// GLOBAL: gl_24577
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float g_cameraScaleY = 0.000009f;
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// GLOBAL: gl_24578
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float g_cameraScaleX = 0.000036f;
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// GLOBAL: gl_24535
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float g_heightScale = 1.34f;
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// OFFSET: 0x0080D7B0
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// FUNCTION: fn_10102
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bool SpriteDrawingPolicy::ProjectCell(
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int unused, int layer, float scale, const SpriteFrameCell& cell, float x, float y, const float* position, float shift, float& bottomDepth,
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float& topDepth, const SpriteRleImage& image, SpriteCellQuad& quad, tagRECT& bounds, SpriteColor& color, int offsetX, int offsetY, int flags
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) const {
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const float depthBias = scale / g_heightScale * g_cameraScaleX;
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const double scaleY = scale * cell.scaleY;
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const double scaleX = scale * cell.scaleX;
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const float top = (cell.y + offsetY) * scaleY + y;
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const float bottom = ((image.unknown_0006 + 1) * image.height + cell.y + offsetY) * scaleY + y + 1.0;
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float left;
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float right;
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if (cell.mirrored & 1) {
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left = ((image.unknown_0004 + 1) * image.width + cell.x + offsetX) * scaleX + x;
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right = (offsetX + cell.x) * scaleX + x + 1.0;
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if (top >= g_renderer->viewport.height || bottom <= 0.0f || right >= g_renderer->viewport.width || left <= 0.0f) {
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return false;
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}
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} else {
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left = (cell.x + offsetX) * scaleX + x;
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right = ((image.unknown_0004 + 1) * image.width + cell.x + offsetX) * scaleX + x + 1.0;
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if (top >= g_renderer->viewport.height || bottom <= 0.0f || left >= g_renderer->viewport.width || right <= 0.0f) {
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return false;
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}
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}
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bottomDepth = 1.0f / ((bottom - y) * g_tangent + position[2]) + (layer + 3) * g_cameraScaleY + depthBias;
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topDepth = 1.0f / ((top - y) * g_tangent + position[2]) + (layer + 3) * g_cameraScaleY + depthBias;
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quad.left = left + shift;
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quad.top = top;
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quad.bottom = bottom;
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quad.right = right + shift;
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quad.bottomDepth = bottomDepth;
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quad.topDepth = topDepth;
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quad.angle = static_cast<float>(cell.unknown_001C);
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bounds.left = static_cast<LONG>(left);
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bounds.top = static_cast<LONG>(top);
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bounds.right = static_cast<LONG>(right);
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bounds.bottom = static_cast<LONG>(bottom);
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color.alpha = static_cast<std::uint8_t>((cell.color >> 24) * 255.0f / 255.0f);
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color.red = static_cast<std::uint8_t>((cell.color & 0xFF) * 255.0f / 255.0f);
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color.green = static_cast<std::uint8_t>((cell.color >> 8 & 0xFF) * 255.0f / 255.0f);
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color.blue = static_cast<std::uint8_t>((cell.color >> 16 & 0xFF) * 255.0f / 255.0f);
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quad.color = color;
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return true;
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}
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