06d7e4b94b
Batch #14083 by Yommy: 0 byte-identical, 1 confirmed by peer review. - fn_17592 GroundGeometry::DrawLightmapped: logic confirmed by peer review Peer-reviewed-by: secret, Toshiro, codeplay Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
#ifndef RAGNAROK_SOURCE_CONTENTS_GROUND_GROUNDRENDERING_H
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#define RAGNAROK_SOURCE_CONTENTS_GROUND_GROUNDRENDERING_H
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#include "Render/Renderer.h"
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// INLINED
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inline const float& Minimum4(const float& a, const float& b, const float& c, const float& d) {
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const float& first = !(a > b) ? a : b;
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const float& second = !(c > d) ? c : d;
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return first > second ? second : first;
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}
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// INLINED
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inline const float& Maximum4(const float& a, const float& b, const float& c, const float& d) {
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const float& first = !(b > a) ? a : b;
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const float& second = !(d > c) ? c : d;
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return second > first ? second : first;
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}
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// INLINED
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__forceinline bool GroundQuadVisible(const RenderVertex* vertices) {
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const float minimumX = Minimum4(vertices[0].x, vertices[1].x, vertices[2].x, vertices[3].x);
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if (minimumX >= static_cast<float>(g_renderer->viewport.width)) {
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return false;
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}
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const float maximumX = Maximum4(vertices[0].x, vertices[1].x, vertices[2].x, vertices[3].x);
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if (0.0f > maximumX) {
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return false;
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}
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const float minimumY = Minimum4(vertices[0].y, vertices[1].y, vertices[2].y, vertices[3].y);
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if (minimumY >= static_cast<float>(g_renderer->viewport.height)) {
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return false;
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}
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const float maximumY = Maximum4(vertices[0].y, vertices[1].y, vertices[2].y, vertices[3].y);
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if (0.0f > maximumY) {
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return false;
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}
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for (unsigned corner = 0; corner < 4; ++corner) {
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if (0.0f > vertices[corner].rhw) {
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return false;
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}
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}
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return true;
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}
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#endif
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