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https://github.com/TombEngine/TombEngine.git
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83 lines
No EOL
1.8 KiB
C++
83 lines
No EOL
1.8 KiB
C++
#include "framework.h"
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#include "control/control.h"
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#include "lara.h"
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#include "animation.h"
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#include "effects/groundfx.h"
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#include "effects/footprint.h"
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#include "level.h"
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#include "items.h"
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namespace TEN {
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namespace Effects {
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namespace Footprints {
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std::deque<FOOTPRINT_STRUCT> footprints = std::deque<FOOTPRINT_STRUCT>();
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bool CheckFootOnFloor(ITEM_INFO const & item, int mesh, Vector3& outFootprintPosition)
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{
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int x = item.pos.xPos;
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int y = item.pos.yPos;
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int z = item.pos.zPos;
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short roomNumber = item.roomNumber;
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FLOOR_INFO* floor = GetFloor(x, y, z, &roomNumber);
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if (!(floor->Material == GroundMaterial::Sand ||
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floor->Material == GroundMaterial::Snow ||
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floor->Material == GroundMaterial::Gravel ||
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floor->Material == GroundMaterial::Mud))
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{
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return false;
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}
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PHD_VECTOR pos;
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pos.x = pos.z = 0;
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pos.y = FOOT_HEIGHT_OFFSET;
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GetLaraJointPosition(&pos, mesh);
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int height = GetFloorHeight(floor, pos.x, pos.y - STEP_SIZE, pos.z);
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outFootprintPosition.x = pos.x;
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outFootprintPosition.y = height - 8;
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outFootprintPosition.z = pos.z;
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return abs(pos.y - height) < 32;
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}
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void UpdateFootprints()
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{
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if (footprints.size() == 0)
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return;
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int numInvalidFootprints = 0;
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for (auto i = footprints.begin(); i != footprints.end(); i++)
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{
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FOOTPRINT_STRUCT& footprint = *i;
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footprint.Life--;
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if (footprint.Life <= 0)
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{
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numInvalidFootprints++;
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continue;
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}
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if (footprint.Life > footprint.LifeStartFading)
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{
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footprint.Opacity = footprint.StartOpacity;
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}
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else
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{
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float opacity = lerp(0, footprint.StartOpacity, fmax(0, fmin(1, footprint.Life / (float)footprint.LifeStartFading)));
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footprint.Opacity = opacity;
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}
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}
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for (int i = 0; i < numInvalidFootprints; i++)
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{
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footprints.pop_back();
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}
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}
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}
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}
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} |