Decompile fn_19985 (CEffectPrim::RenderCurvedFanTrail)
Batch #4935 by youko: 0 byte-identical, 1 confirmed by peer review. - fn_19985 CEffectPrim::RenderCurvedFanTrail: logic confirmed by peer review Peer-reviewed-by: eAthena, Yommy, alisonrag 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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cc05ecf2cf
1 changed files with 307 additions and 0 deletions
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@ -755,6 +755,313 @@ void CEffectPrim::RenderFanTrail(matrix& wtm) {
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}
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// OFFSET: 0x00BF0370
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// FUNCTION: fn_19985
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void CEffectPrim::RenderCurvedFanTrail(matrix& wtm) {
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vector3d vec1{};
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vector3d vec2{};
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vector3d vec3{};
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vector3d vec4{};
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int rpCnt = 0;
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for (int ec = 0; ec < 4; ++ec) {
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const EffectPrimitiveSlot& slot = this->state.slots[ec];
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if (slot.life != 1 || slot.alphaB <= 0) {
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continue;
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}
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for (short step = 0; step < 7; ++step) {
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const float size = slot.maxHeight;
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const float dist = step * size + slot.distance;
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short angle = slot.riseAngle;
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if (dist > 20.0f) {
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angle += 5;
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}
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if (dist > 33.0f) {
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angle += 5;
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}
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if (dist > 46.0f) {
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angle += 5;
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}
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if (dist > 59.0f) {
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angle += 5;
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}
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if (dist > 71.0f) {
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angle += 5;
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}
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if (dist > 84.0f) {
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angle += 5;
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}
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if (angle >= 360) {
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angle -= 360;
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}
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const int low = angle - 15;
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const int high = angle + 15;
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const int leftAngle = low < 0 ? low + 360 : low;
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const int rightAngle = high < 360 ? high : high - 360;
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const int backRightAngle = high - 180 < 0 ? high - 180 + 360 : high - 180;
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const int backLeftAngle = low + 180 < 360 ? low + 180 : low + 180 - 360;
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const float rotCos = g_cosTable[slot.rotStart];
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const float rotSin = g_sinTable[slot.rotStart];
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const float base = slot.height[0];
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vector3d left;
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left.x = size * g_cosTable[leftAngle] * rotCos;
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left.y = size * g_cosTable[leftAngle] * rotSin + base;
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left.z = size * g_sinTable[leftAngle];
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vector3d right;
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right.x = size * g_cosTable[rightAngle] * rotCos;
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right.y = size * g_cosTable[rightAngle] * rotSin + base;
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right.z = size * g_sinTable[rightAngle];
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vector3d backRight;
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backRight.x = size * g_cosTable[backRightAngle] * rotCos;
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backRight.y = size * g_cosTable[backRightAngle] * rotSin + base;
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backRight.z = size * g_sinTable[backRightAngle];
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vector3d backLeft;
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backLeft.x = size * g_cosTable[backLeftAngle] * rotCos;
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backLeft.y = size * g_cosTable[backLeftAngle] * rotSin + base;
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backLeft.z = size * g_sinTable[backLeftAngle];
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float remain = dist;
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int dir = slot.riseAngle;
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vector3d bend0{};
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if (dist > 20.0f) {
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remain = dist - 20.0f;
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bend0.x = g_cosTable[dir] * 20.0f;
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bend0.z = g_sinTable[dir] * 20.0f;
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}
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vector3d bend1{};
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if (dist > 33.0f) {
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dir += 5;
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if (dir >= 360) {
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dir -= 360;
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}
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remain = dist - 33.0f;
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bend1.x = g_cosTable[dir] * 13.0f;
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bend1.z = g_sinTable[dir] * 13.0f;
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}
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vector3d bend2{};
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if (dist > 46.0f) {
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dir += 5;
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if (dir >= 360) {
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dir -= 360;
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}
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remain = dist - 46.0f;
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bend2.x = g_cosTable[dir] * 13.0f;
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bend2.z = g_sinTable[dir] * 13.0f;
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}
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vector3d bend3{};
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if (dist > 59.0f) {
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dir += 5;
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if (dir >= 360) {
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dir -= 360;
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}
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remain = dist - 59.0f;
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bend3.x = g_cosTable[dir] * 13.0f;
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bend3.z = g_sinTable[dir] * 13.0f;
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}
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vector3d bend4{};
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if (dist > 71.0f) {
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dir += 5;
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if (dir >= 360) {
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dir -= 360;
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}
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remain = dist - 71.0f;
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bend4.x = g_cosTable[dir] * 12.0f;
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bend4.z = g_sinTable[dir] * 12.0f;
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}
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vector3d bend5{};
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if (dist > 84.0f) {
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dir += 5;
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if (dir >= 360) {
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dir -= 360;
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}
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remain = dist - 84.0f;
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bend5.x = g_cosTable[dir] * 13.0f;
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bend5.z = g_sinTable[dir] * 13.0f;
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}
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if (dist > 20.0f) {
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dir += 5;
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if (dir >= 360) {
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dir -= 360;
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}
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}
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vector3d tail;
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tail.x = remain * g_cosTable[dir];
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tail.y = 0.0f;
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tail.z = remain * g_sinTable[dir];
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vec1.x = backRight.x + bend0.x + bend1.x + bend2.x + bend3.x + bend4.x + bend5.x + tail.x;
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vec1.y = backRight.y + bend0.y + bend1.y + bend2.y + bend3.y + bend4.y + bend5.y + tail.y;
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vec1.z = backRight.z + bend0.z + bend1.z + bend2.z + bend3.z + bend4.z + bend5.z + tail.z;
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vec2.x = left.x + bend0.x + bend1.x + bend2.x + bend3.x + bend4.x + bend5.x + tail.x;
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vec2.y = left.y + bend0.y + bend1.y + bend2.y + bend3.y + bend4.y + bend5.y + tail.y;
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vec2.z = left.z + bend0.z + bend1.z + bend2.z + bend3.z + bend4.z + bend5.z + tail.z;
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vec3.x = right.x + bend0.x + bend1.x + bend2.x + bend3.x + bend4.x + bend5.x + tail.x;
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vec3.y = right.y + bend0.y + bend1.y + bend2.y + bend3.y + bend4.y + bend5.y + tail.y;
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vec3.z = right.z + bend0.z + bend1.z + bend2.z + bend3.z + bend4.z + bend5.z + tail.z;
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vec4.x = backLeft.x + bend0.x + bend1.x + bend2.x + bend3.x + bend4.x + bend5.x + tail.x;
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vec4.y = backLeft.y + bend0.y + bend1.y + bend2.y + bend3.y + bend4.y + bend5.y + tail.y;
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vec4.z = backLeft.z + bend0.z + bend1.z + bend2.z + bend3.z + bend4.z + bend5.z + tail.z;
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if (dist > 100.0f) {
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break;
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}
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if (dist > 0.0f) {
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this->RenderTeiRect(
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&rpCnt, slot.alphaB, vec1, vec2, vec3, vec4, wtm, 0, static_cast<unsigned char>(slot.height[1]), 0,
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65, 65, 255, 0.0f, 1.0f, 0.0f, 1.0f, 0
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);
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}
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}
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for (short step = 0; step < 7; ++step) {
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const float size = slot.maxHeight;
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const float dist = step * size + slot.height[10];
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short angle = slot.riseAngle;
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if (dist > 20.0f) {
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angle += 5;
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}
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if (dist > 33.0f) {
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angle += 5;
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}
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if (dist > 46.0f) {
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angle += 5;
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}
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if (dist > 59.0f) {
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angle += 5;
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}
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if (dist > 71.0f) {
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angle += 5;
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}
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if (dist > 84.0f) {
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angle += 5;
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}
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if (angle >= 360) {
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angle -= 360;
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}
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const int low = angle - 25;
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const int high = angle + 25;
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const int leftAngle = low < 0 ? low + 360 : low;
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const int rightAngle = high < 360 ? high : high - 360;
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const int backRightAngle = high - 180 < 0 ? high - 180 + 360 : high - 180;
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const int backLeftAngle = low + 180 < 360 ? low + 180 : low + 180 - 360;
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const float rotCos = g_cosTable[slot.rotStart];
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const float rotSin = g_sinTable[slot.rotStart];
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const float base = slot.height[0];
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vector3d left;
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left.x = size * g_cosTable[leftAngle] * rotCos;
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left.y = size * g_cosTable[leftAngle] * rotSin + base;
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left.z = size * g_sinTable[leftAngle];
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vector3d right;
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right.x = size * g_cosTable[rightAngle] * rotCos;
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right.y = size * g_cosTable[rightAngle] * rotSin + base;
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right.z = size * g_sinTable[rightAngle];
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vector3d backRight;
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backRight.x = size * g_cosTable[backRightAngle] * rotCos;
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backRight.y = size * g_cosTable[backRightAngle] * rotSin + base;
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backRight.z = size * g_sinTable[backRightAngle];
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vector3d backLeft;
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backLeft.x = size * g_cosTable[backLeftAngle] * rotCos;
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backLeft.y = size * g_cosTable[backLeftAngle] * rotSin + base;
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backLeft.z = size * g_sinTable[backLeftAngle];
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float remain = dist;
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int dir = slot.riseAngle;
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vector3d bend0{};
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if (dist > 20.0f) {
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remain = dist - 20.0f;
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bend0.x = g_cosTable[dir] * 20.0f;
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bend0.z = g_sinTable[dir] * 20.0f;
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}
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vector3d bend1{};
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if (dist > 33.0f) {
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dir += 5;
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if (dir >= 360) {
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dir -= 360;
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}
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remain = dist - 33.0f;
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bend1.x = g_cosTable[dir] * 13.0f;
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bend1.z = g_sinTable[dir] * 13.0f;
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}
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vector3d bend2{};
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if (dist > 46.0f) {
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dir += 5;
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if (dir >= 360) {
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dir -= 360;
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}
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remain = dist - 46.0f;
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bend2.x = g_cosTable[dir] * 13.0f;
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bend2.z = g_sinTable[dir] * 13.0f;
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}
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vector3d bend3{};
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if (dist > 59.0f) {
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dir += 5;
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if (dir >= 360) {
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dir -= 360;
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}
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remain = dist - 59.0f;
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bend3.x = g_cosTable[dir] * 13.0f;
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bend3.z = g_sinTable[dir] * 13.0f;
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}
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vector3d bend4{};
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if (dist > 71.0f) {
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dir += 5;
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if (dir >= 360) {
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dir -= 360;
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}
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remain = dist - 71.0f;
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bend4.x = g_cosTable[dir] * 12.0f;
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bend4.z = g_sinTable[dir] * 12.0f;
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}
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vector3d bend5{};
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if (dist > 84.0f) {
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dir += 5;
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if (dir >= 360) {
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dir -= 360;
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}
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remain = dist - 84.0f;
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bend5.x = g_cosTable[dir] * 13.0f;
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bend5.z = g_sinTable[dir] * 13.0f;
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}
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if (dist > 20.0f) {
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dir += 5;
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if (dir >= 360) {
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dir -= 360;
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}
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}
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vector3d tail;
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tail.x = remain * g_cosTable[dir];
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tail.y = 0.0f;
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tail.z = remain * g_sinTable[dir];
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vec1.x = backRight.x + bend0.x + bend1.x + bend2.x + bend3.x + bend4.x + bend5.x + tail.x;
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vec1.y = backRight.y + bend0.y + bend1.y + bend2.y + bend3.y + bend4.y + bend5.y + tail.y;
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vec1.z = backRight.z + bend0.z + bend1.z + bend2.z + bend3.z + bend4.z + bend5.z + tail.z;
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vec2.x = left.x + bend0.x + bend1.x + bend2.x + bend3.x + bend4.x + bend5.x + tail.x;
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vec2.y = left.y + bend0.y + bend1.y + bend2.y + bend3.y + bend4.y + bend5.y + tail.y;
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vec2.z = left.z + bend0.z + bend1.z + bend2.z + bend3.z + bend4.z + bend5.z + tail.z;
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vec3.x = right.x + bend0.x + bend1.x + bend2.x + bend3.x + bend4.x + bend5.x + tail.x;
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vec3.y = right.y + bend0.y + bend1.y + bend2.y + bend3.y + bend4.y + bend5.y + tail.y;
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vec3.z = right.z + bend0.z + bend1.z + bend2.z + bend3.z + bend4.z + bend5.z + tail.z;
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vec4.x = backLeft.x + bend0.x + bend1.x + bend2.x + bend3.x + bend4.x + bend5.x + tail.x;
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vec4.y = backLeft.y + bend0.y + bend1.y + bend2.y + bend3.y + bend4.y + bend5.y + tail.y;
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vec4.z = backLeft.z + bend0.z + bend1.z + bend2.z + bend3.z + bend4.z + bend5.z + tail.z;
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if (dist > 100.0f) {
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break;
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}
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if (dist > 0.0f) {
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this->RenderTeiRect(
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&rpCnt, slot.alphaB, vec1, vec2, vec3, vec4, wtm, 0, static_cast<unsigned char>(slot.height[1]), 0,
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35, 35, 255, 0.0f, 1.0f, 0.0f, 1.0f, 0
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);
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}
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}
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}
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}
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// OFFSET: 0x00BEE900
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// FUNCTION: fn_19980
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