clank/rodecomp
1
0
Fork 0
Code Issues Wiki Activity
rodecomp/Source/Contents/ActorGeometry.cpp
ragnarok-clanker 8f1372560a Decompile 2 functions in Source/Contents/ActorGeometry.cpp 
Batch #15672 by Yommy: 0 byte-identical, 2 confirmed by peer review.

- fn_21011 CRenderObject::PrepareSprite: logic confirmed by peer review
- fn_21057 CRenderObject::GetTargetPos: logic confirmed by peer review

Peer-reviewed-by: ragnarok-clanker, eAthena
Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
2026-11-10 09:31:43 +00:00

238 lines
9.6 KiB
C++
Raw Blame History

#include "Client/Mode/ModeMgr.h"
#include "Client/Mode/CGameMode.h"
#include "Client/Session.h"
#include "Contents/Actors/RenderObject.h"
#include "Contents/Configuration/ServiceOptions.h"
#include "Contents/Ground/GroundGeometry.h"
#include "Contents/World/World.h"
#include "Render/Renderer.h"
#include "Render/SpriteGeometry.h"
#include "Render/SpriteQuad.h"
#include "Render/Textures/SpritePixels.h"
#include "Utility/Math/AffineMatrix.h"
#include <cmath>
#include <cstdlib>
#include <windows.h>
// OFFSET: 0x00CA9580
// FUNCTION: fn_21007
float __stdcall CRenderObject::Heading(float x, float z, float targetX, float targetZ) {
const float deltaX = targetX - x;
const float deltaZ = targetZ - z;
float angle = (static_cast<float>(std::atan2(static_cast<double>(deltaX), static_cast<double>(-deltaZ))) / 3.141592f) * 180.0f;
if (angle >= 360.0f) {
angle -= 360.0f;
}
if (angle < 0.0f) {
angle += 360.0f;
}
return angle;
}
// OFFSET: 0x00CA9610
// FUNCTION: fn_21008
void CRenderObject::Face(float x, float z) {
const float deltaX = x - this->render.position.x;
const float deltaZ = z - this->render.position.z;
if (0.0f != deltaX || 0.0f != deltaZ) {
float angle = (static_cast<float>(std::atan2(static_cast<double>(deltaX), static_cast<double>(-deltaZ))) / 3.141592f) * 180.0f;
this->render.angle = angle;
if (angle >= 360.0f) {
angle -= 360.0f;
this->render.angle = angle;
}
if (angle < 0.0f) {
this->render.angle = angle + 360.0f;
}
}
}
// OFFSET: 0x00CA96C0
// FUNCTION: fn_21009
float CRenderObject::CalcDist(float x, float z) const {
const float deltaX = x - this->render.position.x;
const float deltaZ = z - this->render.position.z;
return SquareRoot(deltaZ * deltaZ + deltaX * deltaX);
}
// OFFSET: 0x00CA9700
// FUNCTION: fn_21010
float CRenderObject::CalcDist(float x, float y, float z) const {
const float deltaX = x - this->render.position.x;
const float deltaZ = z - this->render.position.z;
const float deltaY = y - this->render.position.y;
const float horizontal = SquareRoot(deltaZ * deltaZ + deltaX * deltaX);
return SquareRoot(horizontal * horizontal + deltaY * deltaY);
}
// OFFSET: 0x00CA9770
// FUNCTION: fn_21011
bool CRenderObject::PrepareSprite(
int unused, int layer, float scale, const SpriteFrameCell& cell, float x, float y, const float* position, float shift, float* bottomDepth,
float* topDepth, const SpriteRleImage* image, SpriteQuad* quad, int* bounds, std::uint32_t* color, int offsetX, int offsetY, int flags
) {
const float depthBias = this->render.distanceScale * g_cameraScaleX;
const double scaleY = static_cast<double>(scale * cell.scaleY * this->render.scale);
const double scaleX = static_cast<double>(scale * cell.scaleX * this->render.scale);
float top = static_cast<float>(static_cast<double>(cell.y + offsetY) * scaleY + static_cast<double>(y));
float bottom = static_cast<float>(
static_cast<double>((image->doubleHeight + 1) * image->height + cell.y + offsetY) * scaleY + static_cast<double>(y) + 1.0
);
float left;
float right;
if (cell.mirrored & 1) {
left = static_cast<float>(static_cast<double>((image->doubleWidth + 1) * image->width + cell.x + offsetX) * scaleX + static_cast<double>(x));
right = static_cast<float>(static_cast<double>(offsetX + cell.x) * scaleX + static_cast<double>(x) + 1.0);
if (top >= static_cast<float>(g_renderer->viewport.height) || bottom <= 0.0f || right >= static_cast<float>(g_renderer->viewport.width) ||
left <= 0.0f) {
return false;
}
} else {
left = static_cast<float>(static_cast<double>(cell.x + offsetX) * scaleX + static_cast<double>(x));
right = static_cast<float>(static_cast<double>((image->doubleWidth + 1) * image->width + cell.x + offsetX) * scaleX + static_cast<double>(x) + 1.0);
if (top >= static_cast<float>(g_renderer->viewport.height) || bottom <= 0.0f || left >= static_cast<float>(g_renderer->viewport.width) ||
right <= 0.0f) {
return false;
}
}
if ((this->render.flags & 0x80) != 0) {
const short phase = this->render.effectPhase;
float factor = 0.0f;
if (phase <= 18) {
factor = g_sinTable[phase * 5] * 0.3f;
} else if (phase <= 20) {
factor = 0.3f;
} else if (phase <= 23) {
factor = static_cast<float>(23 - phase) * 0.1f;
}
factor *= bottom - top;
top -= factor;
bottom -= factor;
}
if ((this->render.flags & 0x20) != 0) {
const short phase = this->render.effectPhase;
float factor = 1.0f;
if (phase <= 3) {
factor = (100.0f - static_cast<float>(phase) * 20.0f) * 0.01f;
} else if (phase <= 33) {
int remainder = std::rand() % 6;
if (remainder < 0) {
remainder = 0;
}
factor = 0.4f - static_cast<float>(remainder) * 0.01f;
}
top += (bottom - top) * (1.0f - factor);
}
if (this->render.flatDepth != 0) {
*bottomDepth = (static_cast<float>(unused) * g_cameraScaleY + 0.1f - g_cameraScaleY * 20.0f) +
static_cast<float>(static_cast<int>(this->render.depthLayer)) * g_cameraScaleY;
*topDepth = (static_cast<float>(unused) * g_cameraScaleY + 0.1f - g_cameraScaleY * 20.0f) +
static_cast<float>(static_cast<int>(this->render.depthLayer)) * g_cameraScaleY;
} else {
const int depthLayer = static_cast<int>(this->render.depthLayer) + 3 + layer;
const float height = bottom - y;
const float rise = top - y;
if (this->render.isLieOnGround) {
*bottomDepth = 1.0f / (position[2] - height * g_cotangent) + static_cast<float>(depthLayer) * g_cameraScaleY + depthBias;
*topDepth = 1.0f / (position[2] - rise * g_cotangent) + static_cast<float>(depthLayer) * g_cameraScaleY + depthBias;
} else if (static_cast<unsigned char>(flags) != 0) {
*bottomDepth = 1.0f / (height * 0.06f + position[2]) + static_cast<float>(depthLayer) * g_cameraScaleY + depthBias;
*topDepth = 1.0f / (rise * 0.06f + position[2]) + static_cast<float>(depthLayer) * g_cameraScaleY + depthBias;
} else {
*bottomDepth = 1.0f / (height * g_tangent + position[2]) + static_cast<float>(depthLayer) * g_cameraScaleY + depthBias;
*topDepth = 1.0f / (rise * g_tangent + position[2]) + static_cast<float>(depthLayer) * g_cameraScaleY + depthBias;
}
}
quad->left = left + shift;
quad->top = top;
quad->bottom = bottom;
quad->right = right + shift;
quad->bottomRhw = *bottomDepth;
quad->topRhw = *topDepth;
quad->angle = static_cast<float>(cell.rotation + static_cast<int>(this->render.spriteAngle));
bounds[0] = static_cast<int>(left);
bounds[1] = static_cast<int>(top);
bounds[2] = static_cast<int>(right);
bounds[3] = static_cast<int>(bottom);
float lightRed = 1.0f;
float lightGreen = 1.0f;
float lightBlue = 1.0f;
if (this->render.useGroundLighting == 1 && g_serviceOptions.Get(0x77)) {
CGameMode* mode = static_cast<CGameMode*>(g_modeMgr.GetGameMode());
GroundGeometry* ground = mode->scene->ground;
if (ground->IsNewVer()) {
int column = 0;
int row = 0;
mode->WorldCell(this->render.position.x, this->render.position.z, column, row);
ground->Lighting(column, row, lightRed, lightGreen, lightBlue);
}
}
const float alpha = static_cast<float>((this->render.color >> 24) & 0xFF);
const float red = static_cast<float>((this->render.color >> 16) & 0xFF) * lightRed;
const float green = static_cast<float>((this->render.color >> 8) & 0xFF) * lightGreen;
const float blue = static_cast<float>(this->render.color & 0xFF) * lightBlue;
if (this->render.isSingleColor && this->render.overrideColor != 0xFFFF0000) {
*color = this->render.overrideColor;
} else {
SpriteColor& channels = *reinterpret_cast<SpriteColor*>(color);
channels.alpha = static_cast<std::uint8_t>(static_cast<int>((static_cast<float>((cell.color >> 24) & 0xFF) * alpha) / 255.0f));
channels.red = static_cast<std::uint8_t>(static_cast<int>((static_cast<float>(cell.color & 0xFF) * red) / 255.0f));
channels.green = static_cast<std::uint8_t>(static_cast<int>((static_cast<float>((cell.color >> 8) & 0xFF) * green) / 255.0f));
channels.blue = static_cast<std::uint8_t>(static_cast<int>((static_cast<float>((cell.color >> 16) & 0xFF) * blue) / 255.0f));
}
quad->color = *color;
if ((this->render.flags & 0x40) != 0) {
const short phase = this->render.effectPhase;
if (phase <= 36) {
float angle = 180.0f - g_sinTable[90 + phase * 5] * 180.0f;
quad->angle = angle;
if (angle >= 360.0f) {
quad->angle = angle - 360.0f;
return true;
}
} else {
quad->angle = 0.0f;
}
}
return true;
}
// OFFSET: 0x00CAD9E0
// FUNCTION: fn_21057
bool CRenderObject::GetTargetPos(std::uint32_t targetAid, vector3d& targetPos) const {
const CGameMode* mode = static_cast<CGameMode*>(g_modeMgr.GetGameMode());
bool found = true;
if (targetAid == g_session.m_aid) {
const vector3d& playerPos = reinterpret_cast<const CRenderObject*>(mode->scene->player)->render.position;
targetPos.x = playerPos.x;
targetPos.y = playerPos.y;
targetPos.z = playerPos.z;
} else if (const CRenderObject* actor = mode->scene->GetGameActorByAID(targetAid)) {
targetPos.x = actor->render.position.x;
targetPos.y = actor->render.position.y;
targetPos.z = actor->render.position.z;
} else {
found = false;
const vector3d& playerPos = reinterpret_cast<const CRenderObject*>(mode->scene->player)->render.position;
const vector3d& position = this->render.position;
targetPos = {
position.x - (playerPos.x - position.x), position.y - (playerPos.y - position.y), position.z - (playerPos.z - position.z)
};
}
return found;
}
Reference in a new issue View git blame Copy permalink