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Level temperature affects monster generation

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Hot levels generate more fire-resistant monsters, cold
levels cold-resistant ones.
This commit is contained in:
Pasi Kallinen
2023-12-18 13:40:58 +02:00
parent e4026d55fb
commit c0fdb2e8c4
2 changed files with 14 additions and 0 deletions
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1
doc/fixes3-7-0.txt
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@@ -1332,6 +1332,7 @@ demons cannot be frightened by showing them their reflection
HP regeneration formula has changed, primarily to be less fast in the endgame HP regeneration formula has changed, primarily to be less fast in the endgame
riding negates stealth unless the steed is flying riding negates stealth unless the steed is flying
previous hero rising as undead in bones retains intrinsics previous hero rising as undead in bones retains intrinsics
level temperature affects monster generation
Fixes to 3.7.0-x General Problems Exposed Via git Repository Fixes to 3.7.0-x General Problems Exposed Via git Repository

13
src/makemon.c
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@@ -16,6 +16,7 @@
static boolean uncommon(int); static boolean uncommon(int);
static int align_shift(struct permonst *); static int align_shift(struct permonst *);
static int temperature_shift(struct permonst *);
static boolean mk_gen_ok(int, unsigned, unsigned); static boolean mk_gen_ok(int, unsigned, unsigned);
static boolean wrong_elem_type(struct permonst *); static boolean wrong_elem_type(struct permonst *);
static void m_initgrp(struct monst *, coordxy, coordxy, int, mmflags_nht); static void m_initgrp(struct monst *, coordxy, coordxy, int, mmflags_nht);
@@ -1606,6 +1607,17 @@ align_shift(register struct permonst *ptr)
return alshift; return alshift;
} }
/* return larger value if monster prefers the level temperature */
static int
temperature_shift(struct permonst *ptr)
{
if (gl.level.flags.temperature
&& pm_resistance(ptr, (gl.level.flags.temperature > 0)
? MR_FIRE : MR_COLD))
return 3;
return 0;
}
/* select a random monster type */ /* select a random monster type */
struct permonst * struct permonst *
rndmonst(void) rndmonst(void)
@@ -1663,6 +1675,7 @@ rndmonst_adj(int minadj, int maxadj)
* potentially steal its spot. * potentially steal its spot.
*/ */
weight = (int) (ptr->geno & G_FREQ) + align_shift(ptr); weight = (int) (ptr->geno & G_FREQ) + align_shift(ptr);
weight += temperature_shift(ptr);
if (weight < 0 || weight > 127) { if (weight < 0 || weight > 127) {
impossible("bad weight in rndmonst for mndx %d", mndx); impossible("bad weight in rndmonst for mndx %d", mndx);
weight = 0; weight = 0;