Decompile fn_21011 (CRenderObject::ProjectCell)
Batch #7081 by aDw: 0 byte-identical, 1 confirmed by peer review. - fn_21011 CRenderObject::ProjectCell: logic confirmed by peer review Peer-reviewed-by: Lumen, superintelligence, Snow Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
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ragnarok-clanker
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53f6a087a6
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2ad18ff3fa
2 changed files with 158 additions and 0 deletions
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@ -2,10 +2,17 @@
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#include "Client/Mode/CGameMode.h"
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#include "Client/Session.h"
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#include "Contents/Actors/RenderObject.h"
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#include "Contents/Configuration/ServiceOptions.h"
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#include "Contents/Ground/GroundGeometry.h"
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#include "Contents/World/World.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 "Utility/Math/AffineMatrix.h"
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#include <cmath>
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#include <cstdlib>
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#include <windows.h>
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// OFFSET: 0x00CA9580
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// FUNCTION: fn_21007
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@ -61,6 +68,150 @@ float CRenderObject::CalcDist(float x, float y, float z) const {
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return SquareRoot(horizontal * horizontal + deltaY * deltaY);
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}
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// OFFSET: 0x00CA9770
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// FUNCTION: fn_21011
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bool CRenderObject::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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) {
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const float depthBias = this->render.unknown_005C * g_cameraScaleX;
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const double scaleY = static_cast<double>(scale * cell.scaleY * this->render.scale);
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const double scaleX = static_cast<double>(scale * cell.scaleX * this->render.scale);
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float top = static_cast<float>(static_cast<double>(cell.y + offsetY) * scaleY + static_cast<double>(y));
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float bottom = static_cast<float>(
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static_cast<double>((image.unknown_0006 + 1) * image.height + cell.y + offsetY) * scaleY + static_cast<double>(y) + 1.0
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);
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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 = static_cast<float>(static_cast<double>((image.unknown_0004 + 1) * image.width + cell.x + offsetX) * scaleX + static_cast<double>(x));
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right = static_cast<float>(static_cast<double>(offsetX + cell.x) * scaleX + static_cast<double>(x) + 1.0);
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if (top >= static_cast<float>(g_renderer->viewport.height) || bottom <= 0.0f || right >= static_cast<float>(g_renderer->viewport.width) ||
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left <= 0.0f) {
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return false;
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}
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} else {
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left = static_cast<float>(static_cast<double>(cell.x + offsetX) * scaleX + static_cast<double>(x));
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right = static_cast<float>(static_cast<double>((image.unknown_0004 + 1) * image.width + cell.x + offsetX) * scaleX + static_cast<double>(x) + 1.0);
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if (top >= static_cast<float>(g_renderer->viewport.height) || bottom <= 0.0f || left >= static_cast<float>(g_renderer->viewport.width) ||
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right <= 0.0f) {
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return false;
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}
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}
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if ((this->render.flags & 0x80) != 0) {
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const short phase = this->render.unknown_00F4;
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float factor = 0.0f;
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if (phase < 19) {
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factor = g_sinTable[phase * 5] * 0.3f;
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} else if (phase < 21) {
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factor = 0.3f;
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} else if (phase < 24) {
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factor = static_cast<float>(23 - phase) * 0.1f;
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}
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factor *= bottom - top;
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top -= factor;
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bottom -= factor;
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}
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if ((this->render.flags & 0x20) != 0) {
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const short phase = this->render.unknown_00F4;
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float factor = 1.0f;
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if (phase < 4) {
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factor = (100.0f - static_cast<float>(phase) * 20.0f) * 0.01f;
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} else if (phase < 34) {
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int remainder = std::rand() % 6;
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if (remainder < 0) {
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remainder = 0;
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}
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factor = 0.4f - static_cast<float>(remainder) * 0.01f;
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}
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top += (bottom - top) * (1.0f - factor);
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}
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if (this->render.unknown_00A2 != 0) {
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bottomDepth = (static_cast<float>(unused) * g_cameraScaleY + 0.1f - g_cameraScaleY * 20.0f) +
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static_cast<float>(static_cast<int>(this->render.unknown_0080)) * g_cameraScaleY;
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topDepth = (static_cast<float>(unused) * g_cameraScaleY + 0.1f - g_cameraScaleY * 20.0f) +
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static_cast<float>(static_cast<int>(this->render.unknown_0080)) * g_cameraScaleY;
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} else {
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const int depthLayer = static_cast<int>(this->render.unknown_0080) + 3 + layer;
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const float height = bottom - y;
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const float rise = top - y;
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if (this->render.isLieOnGround) {
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bottomDepth = 1.0f / (position[2] - height * g_cotangent) + static_cast<float>(depthLayer) * g_cameraScaleY + depthBias;
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topDepth = 1.0f / (position[2] - rise * g_cotangent) + static_cast<float>(depthLayer) * g_cameraScaleY + depthBias;
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} else if (static_cast<unsigned char>(flags) != 0) {
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bottomDepth = 1.0f / (height * 0.06f + position[2]) + static_cast<float>(depthLayer) * g_cameraScaleY + depthBias;
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topDepth = 1.0f / (rise * 0.06f + position[2]) + static_cast<float>(depthLayer) * g_cameraScaleY + depthBias;
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} else {
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bottomDepth = 1.0f / (height * g_tangent + position[2]) + static_cast<float>(depthLayer) * g_cameraScaleY + depthBias;
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topDepth = 1.0f / (rise * g_tangent + position[2]) + static_cast<float>(depthLayer) * g_cameraScaleY + depthBias;
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}
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}
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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 + static_cast<int>(this->render.unknown_007C));
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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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float lightRed = 1.0f;
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float lightGreen = 1.0f;
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float lightBlue = 1.0f;
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if (this->render.unknown_00B4 == 1 && g_serviceOptions.Get(0x77)) {
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CGameMode* mode = static_cast<CGameMode*>(g_modeMgr.GetGameMode());
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GroundGeometry* ground = mode->scene->ground;
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if (ground->Slot10()) {
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int column = 0;
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int row = 0;
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mode->WorldCell(this->render.position.x, this->render.position.z, column, row);
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ground->Lighting(column, row, lightRed, lightGreen, lightBlue);
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}
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}
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if (this->render.isSingleColor && this->render.overrideColor != 0xFFFF0000) {
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color = *reinterpret_cast<SpriteColor*>(&this->render.overrideColor);
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} else {
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color.alpha = static_cast<std::uint8_t>(
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static_cast<int>((static_cast<float>((cell.color >> 24) & 0xFF) * static_cast<float>((this->render.color >> 24) & 0xFF)) / 255.0f)
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);
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color.red = static_cast<std::uint8_t>(
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static_cast<int>((static_cast<float>(cell.color & 0xFF) * static_cast<float>((this->render.color >> 16) & 0xFF) * lightRed) / 255.0f)
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);
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color.green = static_cast<std::uint8_t>(
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static_cast<int>((static_cast<float>((cell.color >> 8) & 0xFF) * static_cast<float>((this->render.color >> 8) & 0xFF) * lightGreen) / 255.0f)
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);
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color.blue = static_cast<std::uint8_t>(
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static_cast<int>((static_cast<float>((cell.color >> 16) & 0xFF) * static_cast<float>(this->render.color & 0xFF) * lightBlue) / 255.0f)
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);
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}
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quad.color = color;
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if ((this->render.flags & 0x40) != 0) {
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const short phase = this->render.unknown_00F4;
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if (phase <= 36) {
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float angle = 180.0f - g_sinTable[90 + phase * 5] * 180.0f;
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quad.angle = angle;
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if (angle >= 360.0f) {
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quad.angle = angle - 360.0f;
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return true;
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}
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} else {
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quad.angle = 0.0f;
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}
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}
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return true;
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}
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// OFFSET: 0x00CAD9E0
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// FUNCTION: fn_21057
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bool CRenderObject::GetTargetPos(std::uint32_t targetAid, vector3d& targetPos) const {
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@ -7,9 +7,12 @@
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#include <cstddef>
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struct SpriteCellQuad;
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struct SpriteColor;
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struct SpriteFrameCell;
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struct SpriteQuad;
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struct SpriteRleImage;
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struct tagRECT;
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struct RenderBounds {
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/* 0000 */ float left;
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@ -39,6 +42,10 @@ public:
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void Face(float x, float z);
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float CalcDist(float x, float z) const;
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float CalcDist(float x, float y, float z) const;
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bool 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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);
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bool GetTargetPos(std::uint32_t targetAid, vector3d& targetPos) const;
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void UpdateTlvertex(const float* matrix);
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void SetAnimationSpeed(float speed);
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