3c8b89df77
Batch #15754 by Yommy: 0 byte-identical, 1 confirmed by peer review. - fn_10109 CCharacterRender::DrawShadow: logic confirmed by peer review Peer-reviewed-by: eAthena, bgamez23 Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
73 lines
3.4 KiB
C++
73 lines
3.4 KiB
C++
#include "Contents/Actors/CharacterRender.h"
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#include "Client/Mode/CGameMode.h"
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#include "Client/Mode/ModeMgr.h"
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#include "Client/Session.h"
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#include "Contents/World/World.h"
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#include "Render/DeviceContext/DCSurface.h"
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#include "Render/Projection/RendererViewport.h"
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#include "Render/Renderer.h"
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#include "Render/SpriteQuad.h"
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#include "Render/Textures/SpritePixels.h"
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#include "Resource/ResourceMgr.h"
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#include "Resource/Sprites/ActionResource.h"
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#include "Resource/Sprites/SpriteResource.h"
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#include "Resource/World/TerrainResource.h"
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#include "Utility/Math/Vector3d.h"
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// OFFSET: 0x00811C10
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// FUNCTION: fn_10109
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__declspec(safebuffers) RenderPrimitive* CCharacterRender::DrawShadow(const float* matrix, float scale) const {
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if (0.0f == scale || !g_modeMgr.GetGameMode() || !static_cast<CGameMode*>(g_modeMgr.GetGameMode())->scene) {
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return nullptr;
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}
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CGameMode* mode = static_cast<CGameMode*>(g_modeMgr.GetGameMode());
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const float* origin = reinterpret_cast<const float*>(&this->positionX);
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const float height = mode->scene->terrain->Height(origin[0], origin[2]);
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float position[3];
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position[0] = origin[0];
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position[1] = height;
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position[2] = origin[2];
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const float depth = position[0] * matrix[2] + position[1] * matrix[5] + position[2] * matrix[8] + matrix[11];
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float screenX;
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float screenY;
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float reciprocalDepth;
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if (this->viewportWidth == 0 && this->viewportHeight == 0) {
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g_renderer->ProjectViewport(position, matrix, &screenX, &screenY, &reciprocalDepth);
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} else {
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g_renderer->ProjectViewportCentered(
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position, matrix, &screenX, &screenY, &reciprocalDepth, static_cast<float>(this->viewportWidth) + this->viewportOffsetX, static_cast<float>(this->viewportHeight) + this->viewportOffsetY
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);
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}
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const float distanceScale = g_renderer->ScaleDistance(reciprocalDepth);
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CSprRes* sprite = static_cast<CSprRes*>(ResourceMgr::Instance().Load("shadow.spr"));
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CActRes* action = static_cast<CActRes*>(ResourceMgr::Instance().Load("shadow.act"));
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const SpriteFrameCell& cell = action->Frame(0, 0).Cell(0);
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if (cell.image == -1) {
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return nullptr;
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}
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const SpriteRleImage* image = sprite->images[cell.imageType][0];
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const float size = g_session.GetNpcLocationRadius(this->job, this->riding) * scale;
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const double factor = distanceScale;
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SpriteQuad quad;
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quad.top = static_cast<float>(cell.y * factor * cell.scaleY * size + screenY);
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quad.bottom = static_cast<float>(((image->doubleHeight + 1) * image->height + cell.y) * factor * cell.scaleY * size + screenY + 1.0);
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quad.left = static_cast<float>(cell.x * factor * cell.scaleX * size + screenX);
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quad.right = static_cast<float>(((image->doubleWidth + 1) * image->width + cell.x) * factor * cell.scaleX * size + screenX + 1.0);
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if (quad.top >= static_cast<float>(g_renderer->viewport.height) || quad.bottom <= 0.0f || quad.left >= static_cast<float>(g_renderer->viewport.width)
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|| quad.right <= 0.0f) {
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return nullptr;
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}
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quad.color = (((((((cell.color >> 24) & 0xFF) << 8) + (cell.color & 0xFF)) << 8) + ((cell.color >> 8) & 0xFF)) << 8) + ((cell.color >> 16) & 0xFF);
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quad.bottomRhw = 1.0f / (depth - (quad.bottom - screenY) * g_cotangent) + 0.00001f;
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quad.topRhw = 1.0f / (depth - (quad.top - screenY) * g_cotangent) + 0.00001f;
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quad.angle = static_cast<float>(cell.rotation);
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quad.image = image;
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return BuildSpriteQuad(*GetRenderSystemHolder()->system, quad, sprite->palette, 257, 0.0f, 0.0f);
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}
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