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[xonotic/xonotic-data.pk3dir.git] / qcsrc / common / weapons / calculations.qc

diff --git a/qcsrc/common/weapons/calculations.qc b/qcsrc/common/weapons/calculations.qc
index e8307f39d20068151236b4e26d9155c820d61d2f..cd2d925bc56004223c86899c0c1b66e07db0c8f5 100644 (file)
--- a/qcsrc/common/weapons/calculations.qc
+++ b/qcsrc/common/weapons/calculations.qc
@@ -1,3 +1,5 @@
+#include "calculations.qh"
+
 // =============================
 //  Explosion Force Calculation
 // =============================
@@ -55,7 +57,7 @@ vector damage_explosion_calcpush(vector explosion_f, vector target_v, float spee
        v = explosion_calcpush(explosion_f * speedfactor, m, target_v, 1, 0);
        // the factor we then get is:
        //   1
-       LOG_INFOF("MASS: %f\nv: %v -> %v\nENERGY BEFORE == %f + %f = %f\nENERGY AFTER >= %f\n",
+       LOG_INFOF("MASS: %f\nv: %v -> %v\nENERGY BEFORE == %f + %f = %f\nENERGY AFTER >= %f",
                m,
                target_v, target_v + v,
                target_v * target_v, m * explosion_f * speedfactor * explosion_f * speedfactor, target_v * target_v + m * explosion_f * speedfactor * explosion_f * speedfactor,
@@ -88,15 +90,11 @@ vector solve_cubic_pq(float p, float q)
                // cos(a)
                // cos(a + 2pi/3)
                // cos(a + 4pi/3)
-               return
-                       u *
-                       (
-                               '1 0 0' * cos(a + 2.0/3.0*M_PI)
-                               +
-                               '0 1 0' * cos(a + 4.0/3.0*M_PI)
-                               +
-                               '0 0 1' * cos(a)
-                       );
+               return u * vec3(
+                       cos(a + 2.0/3.0*M_PI),
+                       cos(a + 4.0/3.0*M_PI),
+                       cos(a)
+               );
        }
        else if(D == 0)
        {
@@ -105,17 +103,15 @@ vector solve_cubic_pq(float p, float q)
                        return '0 0 0';
                u = 3*q/p;
                v = -u/2;
-               if(u >= v)
-                       return '1 1 0' * v + '0 0 1' * u;
-               else
-                       return '0 1 1' * v + '1 0 0' * u;
+               return (u >= v) ? vec3(v, v, u) : vec3(u, v, v);
        }
        else
        {
                // cardano
-               u = cbrt(-q/2.0 + sqrt(D));
-               v = cbrt(-q/2.0 - sqrt(D));
-               return '1 1 1' * (u + v);
+               //u = cbrt(-q/2.0 + sqrt(D));
+               //v = cbrt(-q/2.0 - sqrt(D));
+               a = cbrt(-q/2.0 + sqrt(D)) + cbrt(-q/2.0 - sqrt(D));
+               return vec3(a, a, a);
        }
 }
 vector solve_cubic_abcd(float a, float b, float c, float d)
@@ -135,13 +131,48 @@ vector solve_cubic_abcd(float a, float b, float c, float d)
 
 vector findperpendicular(vector v)
 {
-       vector p;
-       p.x = v.z;
-       p.y = -v.x;
-       p.z = v.y;
-       return normalize(cliptoplane(p, v));
+       return normalize(cliptoplane(vec3(v.z, -v.x, v.y), v));
 }
 
+#ifdef SVQC
+       int W_GunAlign(entity this, int preferred_align)
+       {
+               if(this.m_gunalign)
+                       return this.m_gunalign; // no adjustment needed
+
+               entity own = this.owner;
+
+               if(preferred_align < 1 || preferred_align > 4)
+                       preferred_align = 3; // default
+
+               for(int j = 4; j > 1; --j) // > 1 as 1 is just center again
+               {
+                       int taken = 0;
+                       for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
+                       {
+                               .entity weaponentity = weaponentities[slot];
+                               if(own.(weaponentity).m_gunalign == j) // we know it can't be ours thanks to the above check
+                                       taken |= BIT(j);
+                               if(own.(weaponentity).m_gunalign == preferred_align)
+                                       taken |= BIT(preferred_align);
+                       }
+
+                       if(!(taken & BIT(preferred_align)))
+                               return preferred_align; // prefer the recommended
+                       if(!(taken & BIT(j)))
+                               return j; // or fall back if it's not available
+               }
+
+               return preferred_align; // return it anyway
+       }
+#else
+       int W_GunAlign(entity this, int preferred_align)
+       {
+               return this.m_gunalign > 0 ? this.m_gunalign : preferred_align;
+       }
+#endif
+
+#if 0
 int W_GetGunAlignment(entity player)
 {
        int gunalign = STAT(GUNALIGN, player);
@@ -151,13 +182,14 @@ int W_GetGunAlignment(entity player)
 
        return gunalign;
 }
+#endif
 
 vector W_CalculateSpread(vector forward, float spread, float spreadfactor, float spreadstyle)
 {
        float sigma;
        vector v1 = '0 0 0', v2;
        float dx, dy, r;
-       spread *= spreadfactor; //g_weaponspreadfactor;
+       spread *= spreadfactor; //autocvar_g_weaponspreadfactor;
        if(spread <= 0)
                return forward;
 
@@ -256,7 +288,7 @@ vector W_CalculateSpread(vector forward, float spread, float spreadfactor, float
                default:
                        error("g_projectiles_spread_style must be 0 (sphere), 1 (flattened sphere), 2 (circle), 3 (gauss 3D), 4 (gauss plane), 5 (linear falloff), 6 (quadratic falloff), 7 (stronger falloff)!");
        }
-               
+
        return '0 0 0';
        /*
         * how to derive falloff functions: