No That's not going to happen, you shouldnt replaced the default_map_models.cfg ifle of course, but add the old one to your cfg ;)
If you do that, everyone will USUALLY have the new cfg but the old one on your map.
As I said though, for some reason, the mapmodels have a wrong vertical rotation. I don't know how to fix that..
loadsky "staffy/staffy"
fogcolour 1
fog 1300
texturereset
setshader stdworld
texture 0 "ik2k/ik_sky_day_back.jpg"
exec packages/greGOR/package.cfg
mapmodelreset
mmodel "tree1" // 0
mmodel "dcp/tree2" // 1
mmodel "dcp/tree3" // 2
mmodel "dcp/palmtree" // 3
mmodel "dcp/thorns" // 4
mmodel "dcp/plant1" // 5
mmodel "dcp/grass" // 6
mmodel "dcp/ivy" // 7
mmodel "dcp/barrel" // 8
mmodel "dcp/streetlamp" // 9
mmodel "dcp/bench" // 10
mmodel "dcp/pillar" // 11
mmodel "dcp/waterbowl" // 12
mmodel "dcp/jumppad2" // 13
mmodel "dcp/leafs" // 14
mmodel "dcp/valve" // 15
mmodel "dcp/palette" // 16
mmodel "dcp/vent" // 17
mmodel "dcp/mushroom" // 18
mmodel "dcp/biotank" // 19
mmodel "dcp/groundlamp" // 20
mmodel "dcp/console" // 21
mmodel "dcp/turret" // 22
// for use as triggers:
mmodel "carrot" // 23
mmodel "switch1" // 24
mmodel "switch2" // 25
mmodel "doors/door_01" // 26
mmodel "doors/door_02" // 27
mmodel "doors/door_03" // 28
mmodel "dcp/cask" // 29
mmodel "dcp/cart" // 30
mmodel "dcp/candle" // 31
mmodel "dcp/vase" // 32
mmodel "dcp/sack" // 33
mmodel "dcp/chandelier" // 34
mmodel "dcp/chest" // 35
mmodel "dcp/firebowl" // 36
mmodel "dcp/smplant" // 37
mmodel "dcp/insect" // 38
mmodel "dcp/reed" // 39
mmodel "makke/nocamp" // 40
mmodel "makke/strahler" // 41
mmodel "tentus/food-drink/goblet" // 42
mmodel "tentus/food-drink/apple" // 43
mmodel "tentus/food-drink/pear" // 44
mmodel "tentus/food-drink/appleslice" // 45
mmodel "tentus/food-drink/meat" // 46
mmodel "tentus/food-drink/bowl" // 47
mmodel "tentus/food-drink/pieslice" // 48
mmodel "tentus/food-drink/mug" // 49
mmodel "tentus/food-drink/winebottle" // 50
mmodel "tentus/food-drink/pie" // 51
mmodel "tentus/books/flat" // 52
mmodel "tentus/books/multi" // 53
mmodel "tentus/chains/chain" // 54
mmodel "tentus/chains/curvechain" // 55
mmodel "tentus/barrel" // 56
mmodel "tentus/sidebarrel" // 57
mmodel "tentus/pot1" // 58
mmodel "tentus/rope" // 59
mmodel "tentus/ropelamp" // 60
mmodel "tentus/ladder" // 61
mmodel "tentus/fattree" // 62
mmodel "tentus/moneybag" // 63
mmodel "tentus/woodbench" // 64
mmodel "tentus/hammer" // 65
mmodel "tentus/anvil" // 66
mmodel "tentus/spear" // 67
mmodel "tentus/key" // 68
mmodel "tentus/redshield" // 69
mmodel "tentus/greenshield" // 70
mmodel "tentus/bombs" // 71
mmodel "objects/window01" // 72
mmodel "objects/sign01" // 73
mmodel "objects/lamp01" // 74
mmodel "objects/chair01" // 75
mmodel "objects/bed01" // 76
mmodel "vegetation/tree00" // 77
mmodel "vegetation/tree01" // 78
mmodel "vegetation/bush01" // 79
mmodel "vegetation/tree02" // 80
mmodel "vegetation/tree04" // 81
mmodel "vegetation/tree05" // 82
mmodel "vegetation/tree06" // 83
mmodel "vegetation/tree07" // 84
mmodel "vegetation/tree03" // 85
mmodel "objects/window02/window02_1" // 86
mmodel "objects/window02/window02_2" // 87
mmodel "objects/bench01" // 88
mmodel "objects/lantern01" // 89
mmodel "objects/lantern02" // 90
mmodel "objects/woodchop" // 91
mmodel "objects/table01" // 92
mmodel "objects/torch" // 93
mmodel "objects/torch_cold" // 94
mmodel "objects/fire" // 95
mmodel "objects/sail01" // 96
mmodel "objects/well_base" // 97
mmodel "objects/well_roof" // 98
mmodel "objects/lamp02" // 99
mmodel "objects/med_chand" // 100
mmodel "objects/axe" // 101
mmodel "xeno/box1" // 102
mmodel "xeno/box2" // 103
mmodel "vegetation/tree08" // 104
mmodel "vegetation/tree09" // 105
mmodel "vegetation/tree10" // 106
mmodel "vegetation/tree11" // 107
mmodel "vegetation/tree12" // 108
mmodel "vegetation/weeds" // 109
mmodel "psionic/barrel2" // 110
mmodel "psionic/crate4" // 111
mmodel "aftas/machina/machina1" // 112
mmodel "aftas/machina/machina2" // 113
mmodel "mitaman/chainlinkfence" // 114
mmodel "mitaman/floorgrate1" // 115
mmodel "mitaman/floorgrate3" // 116
mmodel "mitaman/locker1" // 117
mmodel "mitaman/locker3" // 118
mmodel "objects/minekart" // 119
mmodel "objects/oillamp" // 120
mmodel "objects/millblade" // 121
mmodel "makke/mugs/mug01" // 122
mmodel "makke/mugs/mug02" // 123
mmodel "makke/mugs/mug03" // 124
mmodel "aftas/caixa" // 125
mmodel "aftas/lampada" // 126
mmodel "aftas/arvores/arg" // 127
mmodel "aftas/arvores/arp" // 128
mmodel "makke/arch" // 129
mmodel "makke/fork" // 130
mmodel "makke/moon" // 131
mmodel "makke/planet" // 132
mmodel "makke/spoon" // 133
mmodel "makke/tricky/sign1" // 134
mmodel "makke/tricky/sign2" // 135
mmodel "makke/tricky/sign3" // 136
mmodel "makke/tricky/sign4" // 137
mmodel "dcp/hanginlamp" // 138
mmodel "tentus/magic" // 139
mmodel "dcp/bin" // 140
mmodel "dcp/bulb" // 141
mmodel "dcp/cbbox" // 142
mmodel "dcp/grate" // 143
mmodel "dcp/switch2a" // 144
mmodel "dcp/ventflap" // 145
mmodel "mitaman/door_06" // 146
mmodel "mitaman/door_07" // 147
mmodel "mitaman/door_08" // 148
mmodel "mitaman/door_09" // 149
mmodel "mitaman/door_10" // 150
mmodel "mitaman/plat01" // 151
mmodel "mitaman/wirefence" // 152
mmodel "mitaman/woodboard" // 153
mmodel "steve_e/doors/trapdoor" // 154
mmodel "steve_e/doors/trapdoor/trapdoor_150" // 155
mmodel "steve_e/doors/trapdoor/trapdoor_200" // 156
mmodel "doors/door_04" // 157
setshader bumpspecmapworld
mapmodel 0 0 0 "GK_MaxStudiosDE/ENV_ARC_TBeam_Bridge_3x1"
mapmodel 0 0 0 "GK_MaxStudiosDE/ENV_ARC_TBeam_Bridge_3x1_A"
mapmodel 0 0 0 "GK_MaxStudiosDE/ENV_ARC_TBeam_Tower_3x1"
mapmodel 0 0 0 "GK_MaxStudiosDE/ENV_ARC_TBeam_Tower_3x1_90"
mapmodel 0 0 0 "GK_MaxStudiosDE/ENV_ARC_TBeam_Tower_1x1_X"
mapmodel 0 0 0 "GK_MaxStudiosDE/ENV_ARC_TBeam_Bridge_3x1_B"
mapmodel 0 0 0 "GK_MaxStudiosDE/ENV_ARC_JumpP_64x64x16_V01"
mapmodel 0 0 0 "GK_MaxStudiosDE/ENV_ARC_TBeam_16x256_V02"
mapmodel 0 0 0 "GK_MaxStudiosDE/ENV_ARC_TBeam_16x256_V03"
mapmodel 0 0 0 "GK_MaxStudiosDE/ENV_ARC_TBeamWall_16x254x254_V01"
mapmodel 0 0 0 "GK_MaxStudiosDE/ENV_ARC_TBeamWall_16x256x256_V01"
mapmodel 0 0 0 "GK_MaxStudiosDE/ENV_ARC_TBeamWall_16x254x254_V02"