rodecomp/Source/Contents/SpriteShadow.cpp
ragnarok-clanker ba6ca37fa1 Maintenance: [forced, user-approved] Family G32: remove TerrainHeight (31 files, reassigned from agent 2). The height-grid methods ru
Batch #10268 by ragnarok-clanker: forced by an admin (17 lower score(s), 85 changed function(s)); checked with 222 compiled unit(s), including every includer of Source/Client/Mode/CGameMode.h, Source/Contents/Camera/CameraFrame.h, Source/Contents/Ground/TerrainHeight.h, Source/Contents/World/World.h, Source/Resource/World/TerrainResource.h.
2026-11-03 14:34:33 +00:00

73 lines
3.4 KiB
C++

#include "Contents/Actors/CharacterRender.h"
#include "Client/Mode/CGameMode.h"
#include "Client/Mode/ModeMgr.h"
#include "Client/Session.h"
#include "Contents/World/World.h"
#include "Render/DeviceContext/DCSurface.h"
#include "Render/Projection/RendererViewport.h"
#include "Render/Renderer.h"
#include "Render/SpriteQuad.h"
#include "Render/Textures/SpritePixels.h"
#include "Resource/ResourceMgr.h"
#include "Resource/Sprites/ActionResource.h"
#include "Resource/Sprites/SpriteResource.h"
#include "Resource/World/TerrainResource.h"
#include "Utility/Math/Vector3d.h"
// OFFSET: 0x00811C10
// FUNCTION: fn_10109
RenderPrimitive* CCharacterRender::DrawShadow(const float* matrix, float scale) const {
if (scale == 0.0f || !g_modeMgr.GetGameMode() || !static_cast<CGameMode*>(g_modeMgr.GetGameMode())->scene) {
return nullptr;
}
CGameMode* mode = static_cast<CGameMode*>(g_modeMgr.GetGameMode());
const float* origin = reinterpret_cast<const float*>(&this->unknown_0004);
float position[3];
position[0] = origin[0];
position[1] = mode->scene->terrain->Height(origin[0], origin[2]);
position[2] = origin[2];
const float depth = position[0] * matrix[2] + position[1] * matrix[5] + position[2] * matrix[8] + matrix[11];
float screenX;
float screenY;
float reciprocalDepth;
if (this->unknown_0068 == 0 && this->unknown_006C == 0) {
g_renderer->ProjectViewport(position, matrix, &screenX, &screenY, &reciprocalDepth);
} else {
g_renderer->ProjectViewportCentered(
position, matrix, &screenX, &screenY, &reciprocalDepth, static_cast<float>(this->unknown_0068) + this->unknown_0054, static_cast<float>(this->unknown_006C) + this->unknown_0058
);
}
const float distanceScale = g_renderer->ScaleDistance(reciprocalDepth);
CSprRes* sprite = static_cast<CSprRes*>(ResourceMgr::Instance().Load("shadow.spr"));
CActRes* action = static_cast<CActRes*>(ResourceMgr::Instance().Load("shadow.act"));
const SpriteFrameCell& cell = action->Frame(0, 0).Cell(0);
if (cell.image == -1) {
return nullptr;
}
const SpriteRleImage* image = sprite->images[cell.imageType][0];
const float size = g_session.GetNpcLocationRadius(this->unknown_0010, this->unknown_004C) * scale;
const double factor = distanceScale;
SpriteQuad quad;
quad.top = static_cast<float>(cell.y * factor * cell.scaleY * size + screenY);
quad.bottom = static_cast<float>(((image->unknown_0006 + 1) * image->height + cell.y) * factor * cell.scaleY * size + screenY + 1.0);
quad.left = static_cast<float>(cell.x * factor * cell.scaleX * size + screenX);
quad.right = static_cast<float>(((image->unknown_0004 + 1) * image->width + cell.x) * factor * cell.scaleX * size + screenX + 1.0);
if (quad.top >= static_cast<float>(g_renderer->viewport.height) || quad.bottom <= 0.0f || quad.left >= static_cast<float>(g_renderer->viewport.width)
|| quad.right <= 0.0f) {
return nullptr;
}
quad.color = static_cast<std::uint32_t>(((static_cast<std::uint32_t>(cell.color >> 24) << 8 | (cell.color & 0xFF)) << 8 | (cell.color >> 8 & 0xFF)) << 8) |
(cell.color >> 16 & 0xFF);
quad.bottomRhw = 1.0f / (depth - (quad.bottom - screenY) * g_cotangent) + 0.00001f;
quad.topRhw = 1.0f / (depth - (quad.top - screenY) * g_cotangent) + 0.00001f;
quad.angle = static_cast<float>(cell.unknown_001C);
quad.image = image;
return BuildSpriteQuad(*GetRenderSystemHolder()->system, quad, sprite->palette, 257, 0.0f, 0.0f);
}